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CN106436871A
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Road rainwater permeation device
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CN105972301A
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Adjustable double-door different-direction flow limiting valve
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CN105972300A
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Adjustable flow-limiting valve with single door in same direction
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CN105971102A
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Adjustable double-door same-direction shutoff valve
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CN105972270A
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Multi-ring-engagement-silica-gel flexible internally-arranged one-way valve
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CN105972269A
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Flexible check valve with multiple circles of engaged silicone rubber
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CN105971106A
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Adjustable single-door different-direction flow limiting valve
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CN106013410A
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Single-door co-directional flow limiting valve
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CN105971089A
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Double-door different-direction flow-limiting valve
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CN105971103A
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Adjustable double-door same-direction flow limiting valve
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CN105972268A
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Flexible check valve with single circle of engaged silicone rubber
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CN105970888A
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Shutoff valve with double doors in same direction
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CN105971101A
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Adjustable single-door different-direction shutoff valve
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CN105971104A
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Single-gate different-direction shutoff valve
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CN105972266A
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Multi-circle silica gel soft one-way valve
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CN105972272A
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Single-circle silicone flexible built-in one-way valve
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CN105972236A
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Flow-limiting valve with single door in different direction
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CN105971107A
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Adjustable double-door different-direction shutoff valve
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CN105971100A
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Double-door different-direction shutoff valve
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CN105971088A
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Single-gate same-direction shutoff valve
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