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CN111520532A
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Novel bellows no-leakage valve
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CN111520518A
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Novel waterproof valve box
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CN111520487A
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Central turbine rod type manual butterfly valve
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CN111530146A
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Novel crude oil filter
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CN111520533A
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Novel cast steel sea valve
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CN111536299A
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Novel wave-proof valve convenient to operate
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CN111520485A
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Novel regulation type pneumatic butterfly valve
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CN111520486A
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Novel central flange type handle butterfly valve
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CN111520517A
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Switch type pneumatic butterfly valve
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CN111520534A
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Novel fast valve that closes
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CN110107721A
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A kind of shut-off valve peculiar to vessel that leakproofness is strong
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CN110107700A
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Novel marine stainless steel shut-off valve
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CN110131472A
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Self-closing discharge valve
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CN110131422A
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One kind can close vertical storm valve
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CN110094512A
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A kind of cast steel sucking kingston valve
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CN110094558A
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A kind of integral type butterfly shaped check valve
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CN110118272A
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A kind of double-sealing right angle check-valves peculiar to vessel
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CN110067879A
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Cast steel topside screw down nonreturn valve
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CN110094530A
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A kind of cast steel gate valve peculiar to vessel
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CN110118277A
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Bronze screw down nonreturn valve
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