
General requirements for components used in hydraulically pressurized discharge pipes, drains and sewers
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
NEN EN 773:1999 - Identical
SS EN 773 Ed. 1 (1999) - Identical
UNE EN 773:1999 - Identical
NS EN 773 Ed. 1 (1999) - Identical
I.S. EN 773:1999 - Identical
UNI EN 773:2002 - Identical
NF EN 773:1999 - Identical
NBN EN 773 Ed. 1 (1999) - Identical
ONORM EN 773:1999 - Identical
DIN EN 773 (1999-06) - Identical
SN EN 773:1999 - Identical