IPC Subgroup
E03B 3/4 Other devices for confining, e.g. trenches, drainage
Introduced: September 1968
Last revised: January 2006
Full Title
Methods or installations for obtaining or collecting drinking water or tap water > Other devices for confining, e.g. trenches, drainage
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- WATER SUPPLY; SEWERAGE
- Subclass:
- INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER