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CN109029616A
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A kind of flow testing device for fitting passage
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CN108896383A
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A kind of pull-out test mechanism for a variety of connectors
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It is a kind of can one-handed performance with pressure hydraulic quick coupling
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A kind of reverse self-locking structural air joint
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A kind of utilization of combination sealing pad
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A kind of snap joint that rubber seal spool is directly replaced with ball valve
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A kind of utilization of total accepted way of doing sth valve core structure
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CN107830284A
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A kind of circular thread uses
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CN107830289A
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A kind of utilization of hardenable stainless steel material
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CN107830290A
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A kind of structure for clamping pipe
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CN104896235A
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Sealing joint with double valves and capable of releasing pressure
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High pressure resistant non-eccentric quick pipe joint adopting steel ball connection
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