DIFF Subgroup
F16J 3/06 Bellows pistons
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Diaphragms; Bellows; Bellows pistons > Bellows pistons
CPC:
Diaphragms; Bellows; Bellows pistons (connection of valves to inflatable elastic bodies B60C29/00; bellows or the like used in instruments G12B1/04; diaphragms for electromechanical transducers H04R7/00) > Bellows pistons
No child classifications to compare. This is a leaf node in both IPC and CPC.