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| Standard Insuued on: 2002-11 |
GB/T 231.2-2002 Metallic Brinell hardness test - Part 2: Verification and calibration of hardness testers
金属布氏硬度试验 第2部分：硬度计的检验与校准
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | MOC; AQSIQ | Issued Date: | 2002-11-25 |
| Implemented Date: | 2003-5-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 231.2-2012 Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines |
Superseded Date: | 2013-6-1 |
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