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Production and processing method of PVC (polyvinyl chloride) foamed plate
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A kind of flexible sealing valve being easily assembled to
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A kind of Full-automatic telecontrolled valve with a key operation function
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A kind of valve with sealing dust-break effect
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A kind of economical and practical pipeline valve
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A kind of novel valve easy to process
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A kind of dedicated holder of valve
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A kind of valve convenient for handwheel dismounting
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A kind of anti-gas-leak safety-valve having a safety feature
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