Patent classifications
A
HUMAN NECESSITIES
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A63
SPORTS; GAMES; AMUSEMENTS
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A63C
SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
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A63C9/18
Non-self-releasing bindings without heel-straps, but with a clamping device arranged at the front end of, or behind, the binding
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