China 'GB/T 8243.9-2012
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 8243.9-2012
Methods of test for full-flow lubricating oil filters for internal combustion engines - Part 9: Inlet and outlet anti-drain valve tests 内燃机全流式机油滤清器试验方法 第9部分:进、出口止回阀试验
Issued Date:2012-05-11
Implemented Date:2012-10-01
Issued by:
The Standardization Administration of the People's Republic of China