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PCE
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DIFF Subgroup
F41G 1/36

with infrared light source

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Sighting devices > Night sights, e.g. luminescent > combined with light source, e.g. spot light > with infrared light source

CPC:

Sighting devices (for indirect laying of fire F41G3/16; bombsights F41G3/24 ) > Night sights, e.g. luminescent > combined with light source, e.g. spot light > with infrared light source

No child classifications to compare. This is a leaf node in both IPC and CPC.