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2010
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Invention
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Reinforcing fiber and shotcrete composition comprising same. The present invention relates to a r... |
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Invention
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Expandable rock bolt tube. The present invention relates to a rock bolt used for rock reinforceme... |
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2009
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Invention
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Temporaty soil retaining wall structure for water supply and drainage works in low depth. The pre... |
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Invention
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Temporary soil retaining wall structure for water supply and drainage works deep underground. The... |
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Invention
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Waste collection system and method for opening/closing waste receiving device in the waste collec... |
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Invention
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Capacity-limited waste receiving device for waste collection system.
There is provided a capacit... |
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Invention
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Method for constructing a chair-type, self-supported earth retaining wall. The present invention ... |
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2008
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Invention
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Filtering membrane module and filtering apparatus having the same. A filtering membrane module an... |
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Invention
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System and method for installing filtering membrane module to frame structure. A system and metho... |
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2005
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Invention
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Boring system and method therefor. A boring system and method for same, relating to the boring sy... |
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2001
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Invention
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Freezeᇁgrinding method of the waste materials using the cooled air.. In method for freezeᇁ... |
