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GB/T 20931.9-2007 standard english preview version PDF file download

GB Standard Code GB/T 20931.9-2007
Standard Category China National Standards
GB Standard English Title Methods for chemical analysis of lithium - Determination of nitrogen content - Mercuric potassium iodide spectrophotometric method
GB Standard Chinese Title 锂化学分析方法 氮量的测定 碘化汞钾分光光度法
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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