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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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23/00
Toy boats; Floating toys; Other aquatic toy devices
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A63H23/10
Other water toys, floating toys, or like buoyant toys
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A63H23/14
Special drives
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