I.S. EN 969:2009现行
Ductile Iron Pipes, Fittings, Accessories and Their Joints for gas Pipelines - Requirements and Test Methods
出版：National Standards Authority of Ireland
专家解读视频
Describes the requirements and associated test methods applicable to ductile iron pipes, fittings, accessories and their joints used for the construction of pipelines outside buildings.
NF EN 969:2009 - Identical
ONORM EN 969:2009 - Identical
NEN EN 969:2009 - Identical
UNE EN 969:2009 - Identical
NBN EN 969:2009 - Identical
SS EN 969 Ed. 2 (2009) - Identical
SN EN 969:2009 - Identical
