DIFF Subgroup
F16L 27/0849 Full Title
Adjustable joints; Joints allowing movement (of the quick-acting type F16L37/50; for double-walled or multi-channel pipes or pipe assemblies F16L39/04 ) > allowing adjustment or movement only about the axis of one pipe
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.