China 'GB/T 20671.9-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20671.9-2006
Classification system and test methods for nonmetallic gasket materials - Part 9: Standard test method for binder durability of cork composition gasket materials 非金属垫片材料分类体系及试验方法 第9部分: 软木垫片材料胶结物耐久性试验方法
Issued Date:2006-12-07
Implemented Date:2007-07-01
Issued by:
The Standardization Administration of the People's Republic of China