ISO 2546:1973 EN 77b43eed
Seamless plain end tubes made from unalloyed steel and without quality requirements
废止
发布日期 :
1973-06-01
实施日期 :
ISO 27509:2012 EN 594d3841
Petroleum and natural gas industries — Compact flanged connections with IX seal ring
废止
发布日期 :
2012-12-13
实施日期 :
ISO 3306:1975 EN 37db86a4
Plain end as-welded and sized precision steel tubes — Technical conditions for delivery
废止
发布日期 :
1975-11-01
实施日期 :
ISO 8179-1:1995 EN a77e3213
Ductile iron pipes — External zinc coating — Part 1: Metallic zinc with finishing layer
废止
发布日期 :
1995-12-27
实施日期 :
ISO 8179-2:1995 EN c9a15cee
Ductile iron pipes — External zinc coating — Part 2: Zinc rich paint with finishing layer
废止
发布日期 :
1995-12-27
实施日期 :