Patent classifications
A
HUMAN NECESSITIES
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A63
SPORTS; GAMES; AMUSEMENTS
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A63H
TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
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30/00
Remote-control arrangements specially adapted for toys, e.g. for toy vehicles
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A63H30/02
Electrical arrangements
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A63H30/04
using wireless transmission
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