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Storm drain with tilting shutter in which actuation is remote controlled
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AVALER FOR A CIRCULATION PATH SUCH AS A STREET
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OPTIMIZATION OF THE OPERATION AND OPERATION OF DESANDING WORKS
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Horizontal axis insulation valve
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High flow curage valve
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Membrane shutter for sanitation collector manner against the rising of odors
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Tilting overway
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Hydraulic shutter
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Device for automatic cleaning of sewage pipes
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Movable cyclic gating
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Autonomous method and device for curing visitable sanitation networks.
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Self-cleaning cyclic valves
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