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PCE
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Search for IPC and CPC classification codes or keywords
CPC Subgroup
F41G 3/28

Small-scale apparatus (relief models or maps G09B)

Full Title

Aiming or laying means (sighting devices F41G1/00; determining direction, distance or velocity by use of radio or other waves G01S; computers G06; antennas H01Q) > Teaching or practice apparatus for gun-aiming or gun-laying > Small-scale apparatus (relief models or maps G09B)