ISO 6621-1:2007被替代
Internal combustion engines - Piston rings Part 1: Vocabulary
出版：International Organization for Standardization
专家解读视频
NF ISO 6621-1 : 1989 - Identical
BS ISO 6621-1 : 2007 - Identical
UNI ISO 6621-1 : 1992 - Identical
BS 5341-3(1976) : 1976 - Similar to
BS 5341-2(1977) : 1977 - Similar to
BS 5341-4(1976) : 1976 - Similar to
BIS IS/ISO 6621-1 : 2012(R2014) - Identical
BS 5341-1(1976) : 1976 - Similar to
NBR ISO 6621-1 : 2009 - Identical
DIN ISO 6621-1 : 1990 - Identical
UNE 26417-1 : 1992 - Identical
NEN ISO 6621-1 : 2007 - Identical
UNE 26417-1:1992 - Identical
GB/T 1149.2-2010 - Identical
BS 5341-4:1976 - Similar
DIN ISO 6621-1 (1990-06) - Identical
UNI ISO 6621-1:1992 - Identical
KS R ISO 6621-1:2014 - Identical
NF ISO 6621-1:1989 - Identical
BS 5341-1:1976 - Similar
SS ISO 6621-1 Ed. 1 (1988) - Identical
BS 5341-2:1977 - Similar
BS 5341-3:1976 - Similar
SS ISO 6621-1 Ed. 2 (2007) - Identical
BS ISO 6621-1:2007 - Identical
NEN ISO 6621-1:2007 - Identical
