
Measurement of water flow in closed conduits - Combination meters for cold potable water Part 1: Specifications
出版:International Organization for Standardization

专家解读视频
2ED 1998 [16/07/1998]1ED 1985
BS 5728-4:1986 - Identical
NF ISO 7858-1:1986 - Identical
NBN E 17 104:1986 - Identical
BS ISO 7858-1:1998 - Identical
NEN ISO 7858-1:1998 - Identical
KS B ISO 7858-1:2004 - Identical
KS B ISO 7858-1:2015 - Identical