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GB/T 638-2007 standard english preview version PDF file download

GB Standard Code GB/T 638-2007
Standard Category China National Standards
GB Standard English Title Chemical reagent - Tin(Ⅱ)Chloride dihydrate
GB Standard Chinese Title 化学试剂 二水合氯化亚锡(Ⅱ)( 氯化亚锡)
Chinese Version Price $15 USD per 50 pages
English Translation Price About $15  per 1 page; Inquire us for detail price

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