BS 4175-2:1970被替代
Method for Rockwell superficial hardness test (N and T scales). Verification of the testing machine
出版：British Standards Institution
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基本信息
标准编号： BS 4175-2:1970
发布时间：1970/2/27 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Direct and indirect verification, routine checks. Calibration of standard superficial hardness blocks used for indirect verification, and requirements for standardizing machines.
标准备注
© British Standards Institution 2013
