DIFF Subgroup
F41A 13/12 Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence)
Introduced: January 1990
Title
Titles differ between systems:
IPC: Systems for cooling the outer surface of the barrel
CPC: Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence)
Full Title
Full titles differ between systems:
IPC:
Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems > Systems for cooling the outer surface of the barrel
CPC:
Cooling or heating systems; Blowing-through of gun barrels; Ventilating systems > Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.