ISO/TR 6622-2:1988被替代
Internal combustion engines; piston rings; part 2: rectangular rings with narrow ring width
出版：International Organization for Standardization
专家解读视频
1ED 1988 [15/12/1988]
NEN ISO 6622-2 : 2003 - Identical
BS ISO 6622-2 : 2013 - Identical
BS DD208(1992) : 1992 - Identical
UNE 26426-2 : 1994 - Identical
DIN V 76622 : 1990 - Corresponds
NEN ISO 6622-2 : 2003 - Identical
DD 208:1992 - Identical
UNE 26426-2:1994 - Identical
BS ISO 6622-2:2003 - Identical
NEN ISO 6622-2:2003 - Identical
