China 'GB/T 21838.2-2008
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21838.2-2008
Metallic materials - Instrumented indentation test for hardness and materials parameters - Part 2: Verification and calibration of testing machines 金属材料 硬度和材料参数的仪器化压痕试验 第2部分: 试验机的检验和校准
Issued Date:2008-06-20
Implemented Date:2009-01-01
Issued by:
The Standardization Administration of the People's Republic of China