ISO 274:1975废止
Copper tubes of circular section; Dimensions
出版：International Organization for Standardization
专家解读视频
1975 [01/11/1975]
NS 1758:1987 - Similar
NS 884 Ed. 2 (1974) - Identical
DIN 1786 (1980-05) - Similar
JIS H 3300:2006 - Equivalent
JIS H 3401:2001 - Identical
SN 211642:1984 - Identical
UNI 7773-2 : 1984 - Similar to
NS 884 : 2ED 1974 - Identical
NS 1758 : 1987 - Similar to
SN 211642 : 1984 - Identical
DIN 1786 : 1980 - Similar to
DIN 1786 : 1980 - Similar to
NS 1758 : 1987 - Similar to
UNI 7773-2 : 1984 - Similar to
SN 211642 : 1984 - Identical
DIN 1786 E : 1980 - Similar to
NS 884 : 2ED 1974 - Identical
