CPC Subgroup
E03C 1/28 Odour seals
Full Title
Domestic plumbing installations for fresh water or waste water; Sinks > Plumbing installations for waste water; Basins or fountains connected thereto (drainage devices in floors E03F5/04); Sinks > Odour seals
6 direct subcodes
Child Classifications
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- E03C 1/282 combined with additional object-catching devices
- E03C 1/284 having U-shaped trap
- E03C 1/29 having housing containing dividing wall, e.g. tubular
- E03C 1/294 with provisions against loss of water lock
- E03C 1/298 consisting only of non-return valve