DIFF Subgroup
F16L 33/2071 Full Title
Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses (connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00) > Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members > only a sleeve being contracted on the hose
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.