DIFF Subgroup
F16F 7/023 Full Title
Vibration-dampers; Shock-absorbers (using fluid F16F5/00, F16F9/00; specific for rotary systems F16F15/10 ) > with relatively-rotatable friction surfaces that are pressed together (F16F7/01 takes precedence; one of the members being a spring F16F13/02 )
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.