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A floodgate using hydraulic cylinder
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KR100770035B1
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A water gate apparatus for using water pressure
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KR20050003961A
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Water gate apparatus for using water pressure
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Storage of Water Type Automatic Water Gate
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Apply a buoyancy body and leverage of movable dam(gate)
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The centering control with buoyancy room type movable dam(gate)
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KR20030063318A
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Roller type flap gate
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KR20030063316A
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Folding door frame for flap gate
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KR20030063287A
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Buoyancy type movable dam(gate)
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KR20030063277A
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Buoyancy type fish way
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KR20030063279A
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Intake tower in use of buoyancy valve(gate)
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KR20030059032A
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Both sides opening and closing type door
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KR20030063263A
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Mulitiple-stage gate
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Washing machine attaching storage of water tank
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KR20030063262A
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Radial gate in use of buoyancy
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Gate shifted roller's position
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Gate controlling water level automatically
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Vessel for discharging a fixed quantity
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Gate in use of weight with water tank
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Gate in use of buoyancy
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