CN111022665A
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Adjustable shaft hole sealing packing structure
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CN111022664A
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Shaft hole sealing structure on valve
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CN111059335A
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Valve lower shaft hole and valve plate anti-sagging structure
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CN109764145A
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A kind of resin industrial and mineral hard seal fixing ball valve
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CN109737208A
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A kind of heat distribution pipe network butterfly valve
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CN109737217A
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Hard seal fixing ball valve with Split type packing gland
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CN109798389A
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Gate valve with anti-wear gasket
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CN107939989A
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A seating three-eccentric-butterfly-valve living
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CN107990010A
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Low temperature butterfly valve
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CN107939988A
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The board-like three-eccentric-butterfly-valve of bivalve
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CN108087623A
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Novel valve seat
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CN106195291A
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Flange gasket sealing surface is without the eccentric-butterfly-valve interrupted
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CN106224586A
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Eccentric stopcock
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CN106122497A
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Effectively solve the eccentric-butterfly-valve of valve body deformation
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CN106122495A
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Rustless steel ventilation butterfly valve for high temperature 800 DEG C
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CN106195293A
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Soft sealing butterfly valve
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CN106195387A
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Precoated sand dual plate check valve valve body
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CN106122494A
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Anti-jamming low moment of torsion butterfly valve
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CN106122496A
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With the anti-soft sealing butterfly valve going out structure
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CN106439119A
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Coated sand double-plate check valve plate
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