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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67/00
Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
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A63B67/18
Badminton or similar games with feathered missiles
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A63B67/19
with several feathers connected to each other
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