GB/T 230.3-2012 Standard PDF file download ; GB/T 230.3-2012 Standard english preview version download

GB Standard Code	GB/T 230.3-2012
Standard Category	China National Standards
GB Standard English Title	Metallic materials - Rockwell hardness test - Part 3：Calibration of reference blocks(scales A,B,C,D,E,F,G,H,K,N,T)
GB Standard Chinese Title	金属材料洛氏硬度试验第3部分：标准硬度块（A、B、C、D、E、F、G、H、K、N、T标尺）的标定
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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