UNE EN 969:2009现行
Ductile Iron Pipes, Fittings, Accessories And Their Joints For Gas Pipelines - Requirements And Test Methods
出版：Asociacion Espanola de Normalizacion
专家解读视频
2009 [22/12/2009]1996 A1 1999 [24/06/1999]1996 [11/10/1996]
1996 Edition along with its Amendment is still active. (12/2009)
ONORM EN 969:2009 - Identical
NS EN 969:2009 - Identical
NF EN 969:2009 - Identical
DIN EN 969 (2009-07) - Identical
UNI EN 969:2009 - Identical
SN EN 969:2009 - Identical
NBN EN 969:2009 - Identical
ONORM EN 969:1996 - Identical
SS EN 969 Ed. 2 (2009) - Identical
NEN EN 969:2009 - Identical
I.S. EN 969:2009 - Identical
BS EN 969:2009 - Identical
