
General purpose industrial valves - Marking
出版:International Organization for Standardization

专家解读视频
EN 19:2002 - Equivalent
BS 5418:1979 - Identical
NS 1718:1978 - Identical
NBN E 29 306:1988 - Identical
NBN E 29 318:1989 - Identical
NBN E 29 319:1989 - Identical
NBN E 29 320:1989 - Identical
GB/T 12220-1989 - Identical
SNV ISO 5209:1977 - Identical
KS B 2103:2003 - Modified