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CN111188925A
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Double-valve-seat semi-ball valve
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A kind of water hammer-resistant composite bar air valve
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A kind of double eccentric hard sealed flange butterflies
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Ball valve is integrally formed welding equipment
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A kind of the needle valve
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A kind of double eccentric flexible sealing flange butterflies
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For heat transfer tube tennis valve
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A kind of plain base Bidirectional pressure eccentric half-ball valve
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A kind of medium stablizes the valve of shunting
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A kind of antiscale valve
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A kind of one-way anti-blockage valve
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A kind of convenient assembling ball valve
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CN107956914A
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Can quick regulation high pressure valve
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CN107816559A
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A kind of modified combined type valve body
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CN105221769A
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The butterfly check valve that a kind of versatility is good
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CN105221763A
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A kind of valve slewing gear
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Butterfly valve rotating mechanism with good universality
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Novel valve
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A kind of novel labour saving valve
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