DIFF Subgroup
F41G 1/50 for trench mortars
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Sighting devices > for particular applications > for trench mortars
CPC:
Sighting devices (for indirect laying of fire F41G3/16; bombsights F41G3/24 ) > for particular applications > for trench mortars
No child classifications to compare. This is a leaf node in both IPC and CPC.