DIFF Subgroup
F41A 5/34 with spring accumulators
Introduced: January 1990
Full Title
Mechanisms or systems operated by propellant charge energy for automatically opening the lock > Energy accumulator systems, i.e. systems for opening the breech-block by energy accumulated during barrel or gas piston recoil > with spring accumulators
No child classifications to compare. This is a leaf node in both IPC and CPC.