GB/T 21838.4-2008
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21838.4-2008
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痕试验 第4部分:金属和非金属覆盖层的试验方法
Issued Date:2008-05-13
Implemented Date:2008-11-01
Issued by:
The Standardization Administration of the People's Republic of China