中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12467.1-2009
Quality reqirements for fusion welding of metallic materials - Part 1: Criteria for the selection of the appropriate level of quality requirements 金属材料熔焊质量要求 第1部分:质量要求相应等级的选择准则
Issued Date:2009-10-30
Implemented Date:2010-04-01
Issued by:
The Standardization Administration of the People's Republic of China