CPC Subgroup
E03D 11/18 Siphons (for pipes in general F16L43/00, F16L45/00 )
Full Title
Other component parts of water-closets (pipe-joints or couplings in general F16L ) > Siphons (for pipes in general F16L43/00, F16L45/00 )
E03D 11/18 Other component parts of water-closets (pipe-joints or couplings in general F16L ) > Siphons (for pipes in general F16L43/00, F16L45/00 )