CPC Subgroup
F41G 1/01 characterised by the visual combination effect of the respective geometrical forms of fore and rear sight (F41G1/42 takes precedence)
Full Title
Sighting devices (for indirect laying of fire F41G3/16; bombsights F41G3/24 ) > characterised by the visual combination effect of the respective geometrical forms of fore and rear sight (F41G1/42 takes precedence)