CPC Subgroup
F41G 1/50 for trench mortars
Full Title
Sighting devices (for indirect laying of fire F41G3/16; bombsights F41G3/24 ) > for particular applications > for trench mortars
F41G 1/50 Sighting devices (for indirect laying of fire F41G3/16; bombsights F41G3/24 ) > for particular applications > for trench mortars