
Internal combustion engines - Piston rings Part 2: Rectangular rings made of steel
出版:International Organization for Standardization

專家解讀視頻
KS R ISO 6622-2:2009 - Identical
GB/T 1149.8-2008 - Identical
BS ISO 6622-2:2003 - Identical
SAE J 1998:1998 - Identical