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2023
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Invention
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Angle-adjustable three-dimensional physical simulation device for equivalent coal seam mining.
D... |
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2022
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Invention
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Angle-adjustable equivalent coal seam mining three-dimensional physical simulation apparatus, and... |
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Invention
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Aerial seeding bioremediation method for coal mining subsidence area.
An aerial seeding bioremed... |
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2020
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Invention
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Method for making composition for enamel regeneration. A method for making a composition for enam... |
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Invention
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Method for making toothpaste enabling enamel restoration. A method for making a toothpaste enabli... |
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Invention
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Forward converter with secondary lcd connected in series to realize excitation energy transfer. T... |
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Invention
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Integrated greening device and method for recycling wastewater. The present invention discloses a... |
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Invention
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Multi-section non-pillar staggered protected roadway for deep inclined thick coal seam and method... |
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2019
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Invention
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Lattice composite wellbore structure and construction method therefor. A lattice composite wellbo... |
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2018
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Invention
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A seepage-creep and mechanical experimental system for coal and rock mass containing gas under tr... |
