CPC Subgroup
E03D 11/135 Full Title
Other component parts of water-closets (pipe-joints or couplings in general F16L ) > Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls
E03D 11/135 Other component parts of water-closets (pipe-joints or couplings in general F16L ) > Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls