专家解读视频
Defines general requirements for components for use in hydraulically pressurized discharge pipes, drains and sewers. Gives the general basis for preparing or revising of product standards.
SN EN 773:1999 - Identical
BS EN 773:1999 - Identical
DIN EN 773 (1999-06) - Identical
ONORM EN 773:1999 - Identical
NF EN 773:1999 - Identical
UNI EN 773:2002 - Identical
I.S. EN 773:1999 - Identical
NS EN 773 Ed. 1 (1999) - Identical
UNE EN 773:1999 - Identical
SS EN 773 Ed. 1 (1999) - Identical
NEN EN 773:1999 - Identical
