GB/T 13813-2008 Standard PDF file download ; GB/T 13813-2008 Standard english preview version download

GB Standard Code	GB/T 13813-2008
Standard Category	China National Standards
GB Standard English Title	Testing method and judging rule of safety to friction spark of metallic material for coal mine
GB Standard Chinese Title	煤矿用金属材料摩擦火花安全性试验方法和判定规则
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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