Patent classifications
A
HUMAN NECESSITIES
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A43
FOOTWEAR
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A43B
CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
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3/00
Footwear characterised by the shape or the use
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A43B3/34
with electrical or electronic arrangements
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A43B3/48
with transmitting devices, e.g. GSM or Wi-Fi®
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