| | E | FIXED CONSTRUCTIONS |
| | | BUILDING |
| | E03 | WATER SUPPLY; SEWERAGE |
| | E03B | INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER (drilling wells, obtaining fluids in general from wells E21B; pipe-line systems in general F17D) |
| | | |
| | E03C | DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER (not connected to either water-supply main or to waste pipe A47K; devices of the kind used in the ground E03B, E03F); SINKS |
| | E03D | WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR |
| | | Subclass index | |
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WATER-CLOSETS, FLUSHING DEVICES | General structure | 1/00, 3/00 | Special constructions | 5/00, 7/00 | ACCESSORIES, COMPONENT PARTS | 9/00, 11/00 | URINALS | 13/00 |
|
| | E03F | SEWERS; CESSPOOLS |
| | | |