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International Standard Category: Mechanical testing of metals

GB/T 21838.4-2020    Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 4: Test method for metallic and non-metallic coatings
金属材料 硬度和材料参数的仪器化压入试验 第4部分:金属和非金属覆盖层的试验方法 ;
Category No.:77.040.10 Valid Status:valid
Issued Organization:AQSIQ and SAMR Issued Date:2020-12-14
Implemented Date:2021-7-1 Abolished Date:
Superseded Standard.: Superseded Date:
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