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CN105003668A
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Internal leakage preventing butterfly valve being easy to operate
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CN105020464A
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Monitoring device of center line-type butterfly valve
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CN105003731A
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Sealing type butterfly valve
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CN105065689A
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Variable diameter butterfly valve
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CN105065687A
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Butterfly valve having screening function
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CN105020412A
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Electric control anti-blocking butterfly valve
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CN105003712A
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Fluorine butterfly valve
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CN105020414A
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Anti-seepage device above butterfly valve rotary shaft
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CN105065688A
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Adjustable butterfly valve
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CN105065695A
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Sewage treatment butterfly valve
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CN105333230A
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Novel adjustable flow valve
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CN105317770A
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Valve device
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CN105318056A
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Pressure reducing valve
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CN105318062A
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Novel exhaust valve
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CN105318030A
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Ball valve suitable for gas-liquid two-phase flow
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CN105318029A
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Ball valve having pressure release function
|
|
CN104930202A
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Novel cross-shaped butterfly valve
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