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CN110906031A
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Backflow preventer
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CN111006042A
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Micro-resistance pressure-reducing backflow preventer
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CN110906045A
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Angle diaphragm type mud valve with good sealing performance
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CN110822111A
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Sealing ring structure applied to flat partition gate valve
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CN110925481A
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Anti-blocking combined type sewage drainage valve
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CN110939774A
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Remote control ball-cock assembly moisturizing device
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CN109553830A
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A kind of preparation method of stretch-proof pipeline valve gasket seal
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CN109627646A
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A kind of heating power conveying preparation process of flange seal gasket
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CN109373017A
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A kind of easily assembling mechanism for elastomeric check valve
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CN109373020A
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A kind of gravity reduction formula translation check-valves
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CN109651654A
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A kind of pipeline gasket seal with superior heat-stability
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CN109373016A
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A kind of adjustable spool for convertible check-valves
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CN109575478A
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One kind is for pipeline connection waterproof sealing gasket preparation method
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CN109485950A
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A kind of southern area outdoor valve gasket
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CN109467756A
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A kind of infiltration pressure piping gasket seal
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CN109575571A
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A kind of high temperature resistant urban Underground pipeline valve spacer
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CN109485940A
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A kind of preparation process of pipe conveying fluid gasket seal
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CN109307088A
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A kind of easily assembling mechanism for elastomeric check valve
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CN109357051A
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A kind of linkage lift filter mechanism for check-valves
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CN109237063A
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A kind of adjustable control mechanism in outside for gate valve
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