CPC Subgroup
F16L 13/029 Full Title
Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints ( joints for rigid pipes of plastics F16L47/00) > Welded joints
F16L 13/029 Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints ( joints for rigid pipes of plastics F16L47/00) > Welded joints