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2016
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Invention
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Raw water treatment method.
Raw water G containing arsenic in an amount exceeding an environment... |
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2015
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Invention
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Method for treating raw water. A method for treating raw water is provided with which it is possi... |
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2013
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Invention
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Cleaning system for sand filtration layer.
To reduce the size, scale of construction, and runnin... |
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Invention
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Cleaning system for sand filtration layer. [Problem] To provide a more compact cleaning apparatus... |
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2012
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Invention
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Upper-layer cleaning device for water treatment device, and method for cleaning water treatment d... |
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Invention
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Upper-layer purification device for water treatment device, and method for purifying water treatm... |
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2011
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Invention
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Mixed stream nozzle.
A mixed stream nozzle which can prevent accumulation and solidifying of oxi... |
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Invention
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Mixed-flow nozzle. Disclosed is a mixed-flow nozzle that can, with a simple device, prevent the d... |
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2010
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Invention
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Water treatment apparatus and a method for cleaning a filter layer of a water treatment apparatus... |
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Invention
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Water treatment device and method for cleaning filtration material layer for water treatment devi... |
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1996
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Invention
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Sludge dehydrating press having cylindrical inner screen case. A sludge dehydrating press include... |
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Invention
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Method of manufacturing a drum. A rotary drum type device for separating solid particles from a l... |
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1995
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Invention
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Method for weaving a multi-ply fabric packing with hexagonal cells. A method for manufacturing a ... |
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Invention
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Rotary drum type device for separating solid particles from a liquid. A rotary drum type device f... |
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Invention
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Coiled well screen. A coiled well screen includes an elongated and flexible tubul... |
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Invention
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Multi-layer composite screen. A multi-layer composite screen having filters of a plurality of lay... |
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Invention
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Sludge dehydrating press and method for treating sludge. A sludge dehydrating press i... |
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1994
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Invention
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Sludge dehydrating press and method for treating sludge. A sludge dehydrating press device includ... |
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Invention
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Well screen having a uniform outer diameter. A well screen is composed of a plurality of screen u... |
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Invention
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Well screen having a uniform outer diameter. A well screen is composed of a plurality... |
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Invention
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Gravity enhanced maintenance screen. A maintenance screen for use in low-velocity, shallow or hor... |
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Invention
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Screen with a surface having projections or depressions. A screen suitable for use in a device fo... |
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Invention
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Multi-layer composite screen.
A multi-layer composite screen having filters of a... |
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1993
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Invention
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Device and method for holding catalyst in a radial flow reactor. A device for holding catalyst in... |
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Invention
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Permeable isolation sectioned screen. A well liner (16) having a selective isolation screen with ... |
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Invention
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Sludge dehydrating press and method for treating sludge.
Abstract of the Disclos... |
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Invention
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Sludge dehydrating press and method for treating sludge. A sludge dehydrating press includes a co... |
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Invention
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Well liner with dual concentric half screens. A well liner having dual concentric half screens fo... |
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1992
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Invention
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Method of manufacturing a selective isolation screen. A method of manufacturing a sel... |
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Invention
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Method of manufacturing a selective isolation screen. A method of manufacturing a selective isola... |
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Invention
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Permeable isolation sectioned screen. A well liner having a selective isolation screen with a lim... |
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Invention
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Method for manufacturing a packing used in a device for realizing material transfer, heat exchang... |
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Invention
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Screen with a surface having projections or depressions.
A screen suitable for u... |
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Invention
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Well screen having a protective frame for a horizontal or high-angle well. A well scr... |
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Invention
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Well screen having a protective frame for a horizontal or high-angle well. A well screen for a ho... |
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1991
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Invention
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Device and method for holding catalyst in a radial flow reactor. A device for holding... |
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1987
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Invention
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Well liner with selective isolation screen. A well liner having a selective isolation screen comp... |