GB/T 21838.1-2019金属材料硬度和材料参数的仪器化压入试验第1部分:试验方法国家标准
英文:Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 1:Test method GB/T 21838....
英文:Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 1:Test method GB/T 21838....