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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A63F3/04
Geographical or like games; ; Educational games
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A63F3/0457
concerning science or technology, e.g. geology, chemistry, statistics, computer flow charts, radio, telephone
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