专家解读视频
Defines requirements and associated test methods applicable to ductile iron fittings, pipes, accessories and their joints for the construction of pipelines: for the conveyance of air or combustible gases, i.e. natural gas or town gas; for installation above or below ground.
NEN EN 969:2009 - Identical
SS EN 969 Ed. 2 (2009) - Identical
SS EN 969:1995 - Identical
UNE EN 969:1996 - Identical
NS EN 969:1995 - Identical
NF EN 969:1995 - Identical
UNI EN 969:1996 - Identical
I.S. EN 969:1996 - Identical
ONORM EN 969:1996 - Identical
DIN EN 969 (1995-11) - Identical
BS EN 969:1996 - Identical
NEN EN 969:1995 - Identical
SN EN 969:1996 - Identical
