GB/T 21940-2008
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 21940-2008
Earth-moving machinery - Cutting edges used on tractor-dozers, graders and scrapers - Principal shapes and basic dimensions 土方机械 推土机、平地机和铲运机用刀片 主要形状和基本尺寸
Issued Date:2008-06-03
Implemented Date:2009-01-01
Issued by:
The Standardization Administration of the People's Republic of China