ISO 6621-3:2000现行
Internal combustion engines - Piston rings Part 3: Material specifications
出版：International Organization for Standardization
专家解读视频
BIS IS 5791:2006 (R2015) - Equivalent
SS ISO 6621-3 Ed. 2 (2007) - Identical
UNE 26417-3:1992 - Identical
SS ISO 6621-3 Ed. 1 (1985) - Identical
JIS B 8032-3:1998 - Identical
UNI ISO 6621-3:1992 - Identical
NF ISO 6621-3:2002 - Identical
BS 5341-6.3:1992 - Equivalent
DIN ISO 6621-3 (1990-06) - Identical
KS R ISO 6621-3:2003 - Identical
GB/T 1149.3-2010 - Identical
