JJF 1594-2016
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Calibration Specification for Portable Rockwell Hardness Testers
2016-11-30
JB/T 7409-2015
塑料洛氏硬度计 技术规范
Plastics Rockwell hardness testing machines - Technical specification
2015-10-10
JJF 1312-2011
AO型邵氏硬度计校准规范
Calibration Specification for shore AO durometers
2011-09-20
JJF 1595-2016
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Calibration Specification for Portable Brinell Hardness Testers
2016-11-30
GB/T 230.2-2022
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