Patent classifications
A
HUMAN NECESSITIES
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A63
SPORTS; GAMES; AMUSEMENTS
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A63B
APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
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2225/00
Miscellaneous features of sport apparatus, devices or equipment
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A63B2225/50
Wireless data transmission, e.g. by radio transmitters or telemetry
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A63B2225/54
Transponders, e.g. RFID
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