DIFF Subgroup
F41A 3/74 Obturating or packing devices for gas leak prevention in breech mechanisms
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Breech mechanism, e.g. locks > Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings > Obturating or packing devices for gas leak prevention in breech mechanisms
CPC:
Breech mechanisms, e.g. locks > Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings > Obturating or packing devices for gas leak prevention in breech mechanisms
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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- F41A 3/76 specially adapted for sealing the gap between the forward end of the cartridge chamber and the rearward end of the barrel, e.g. sealing devices for revolvers or revolver-type guns since 1990 IPC+CPC Available in IPC and CPC