
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated Part 4: Aluminium alloy flanges
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
NBN EN 1092-4:2002 - Identical
NEN EN 1092-4:2002 - Identical
UNE EN 1092-4:2002 - Identical
SS EN 1092-4 Ed. 1 (2002) - Identical
NS EN 1092-4 Ed. 1 (2002) - Identical
I.S. EN 1092-4:2002 - Identical
UNI EN 1092-4:2004 - Identical
NF EN 1092-4:2002 - Identical
BS EN 1092-4:2002 - Identical
SN EN 1092-4:2002 - Identical
ONORM EN 1092-4:2002 - Identical