Home / Standards / GB/T 17394.2-2012 GB/T 17394.2-2012 Abolished Metallic materials - Leeb hardness test - Part 2: Verification and calibration of hardness testers 金属材料 里氏硬度试验 第2部分:硬度计的检验与校准 Standard Type GBT ICS 77.040.10;19.060 CCS N71 Status 废止 Issue Date 2012-12-31 Implementation 2013-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会