GB/T 1231-2006 Standard PDF file download ; GB/T 1231-2006 Standard english preview version download

GB Standard Code	GB/T 1231-2006
Standard Category	China National Standards
GB Standard English Title	Specifications of high strength bolts with large hexagon head,large hexagon nuts,plain washers for steel structures
GB Standard Chinese Title	钢结构用高强度大六角头螺栓、大六角螺母、垫圈技术条件
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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