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Formula and preparation method of traditional Chinese medicine bacteriostatic foot bath liquid
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Formula of traditional Chinese medicine bacteriostatic cream for feet and preparation method thereof
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Chitosan nano moisturizing repair liquid for feet and preparation method thereof
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Traditional Chinese medicine foot moistening cream and preparation method thereof
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Allantoin nano emulsion for feet and preparation method thereof
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A repairing paste containing Chinese medicinal components for preventing foot chap and its preparation method
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Effervescent tablet for foot bath
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A kind of processing technology of valve high intensity handle
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A kind of moistureproof metal valve and its casting technique
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A kind of heat resistant and wear resistant valve element preparation technology
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A kind of processing technology of valve adpting flange
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A kind of metal valve and its vacuum heat surface modification technology
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A kind of valve rod preparation technology
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A kind of production technology of high-strength abrasion-proof safety valve
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A kind of high temperature resistant handling process of Nanosurface refractory metal valve
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CN107876707A
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A kind of casting technique of anticorrosion pipeline valve
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CN107904362A
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A kind of processing technology of the valve door handle with china sheath
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