
Ductile Iron Pipes - External Zinc Coating
出版:International Organization for Standardization

专家解读视频
1985
CSA B131.1:1988 (R1999) - Identical
BS 4772:1988 - Similar
UNI ISO 8179:1986 - Identical
NBN I 06 009 : 1986 - Identical
CSA B131.1 : 0 - Identical
UNI ISO 8179 : 1986 - Identical
BS 4772(1988) : 1988 - Similar to
BS 4772(1988) : 1988 - Similar to
CSA B131.1 : 0 - Identical
UNI ISO 8179 : 1986 - Identical
NBN I 06 009 : 1986 - Identical