GB/Z 18620.4-2008
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/Z 18620.4-2008
Cylindrical gears - Code of inspection practice - Part 4: Reommendations relative to surface texture and tooth contact pattern checking 圆柱齿轮 检验实施规范 第4部分:表面结构和轮齿接触斑点的检验
Issued Date:2008-03-31
Implemented Date:2008-09-01
Issued by:
The Standardization Administration of the People's Republic of China