专家解读视频
Applies to drain and sewer systems operating essentially under gravity, from the point where the sewage leaves a building or roof drainage system or enters a road gully, to the point of discharge into a treatment works or receiving water. Includes drains and sewers below buildings so long as they are not part of the building's drainage system. Gives the principles for operating and maintaining drain and sewer systems.
ONORM EN 752-7:1998 - Identical
DIN EN 752-7 (1998-06) - Identical
BS EN 752-7:1998 - Identical
NEN EN 752-7:1998 - Identical
SN EN 752-7:1998 - Identical
NF EN 752-7:1998 - Identical
UNI EN 752-7:2001 - Identical
I.S. EN 752-7:1998 - Identical
NS EN 752-7 Ed. 1 (1998) - Identical
UNE EN 752-7:1999 - Identical
SS EN 752-7 Ed. 1 (1998) - Identical
