JIS B 7730:1997被替代
Rockwell hardness test - Calibration of reference blocks
出版：Japanese Standards Association
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基本信息
标准编号： JIS B 7730:1997
标准类别：Standard
出版单位：Japanese Standards Association
标准页数：7
标准简介
This Japanese Industrial Standard specifies a method for the calibration of reference blocks of scales A, B, C, D, E, F, G, H, K, N and T, used for the indirect verification of Rockwell hardness testing machine, specified in JIS B 7726, periodic routine checking of the testing machine and the like.
替代本标准的新标准
