NBN E 29 306:1988被替代
Industrial Valves - Cast Iron Gate Valves With Flanges And Elastomeric Obturator Covering
出版：Belgian Standards
专家解读视频
88
ISO 5725:1986 - Identical
ISO 5210-3:1982 - Identical
ISO 5210-1:1977 - Identical
ISO 813:1997 - Identical
ISO 5996:1984 - Identical
ISO 5752:1982 - Identical
ISO 5209:1977 - Identical
ISO 5208:1993 - Identical
ISO 426-2:1983 - Identical
EURONORM 88 - Identical
ISO 1817:2005 - Identical
ISO 1431-1:2004 - Identical
