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GB/T 13021-1991 standard english preview version PDF file download

GB Standard Code GB/T 13021-1991
Standard Category China National Standards
GB Standard English Title Determination for the carbon black content of polyethylene pipes and fittings by calcination and pyrolysis
GB Standard Chinese Title 聚乙烯管材和管件炭黑含量的测定 热失重法
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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