Patent classifications
A
HUMAN NECESSITIES
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A63
SPORTS; GAMES; AMUSEMENTS
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A63F
CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
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9/00
Games not otherwise provided for
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A63F9/34
Games using magnetically moved or magnetically held pieces, not provided for in other subgroups of group A63F9/00
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A63F2009/345
Electromagnetically
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