Patent classifications
A
HUMAN NECESSITIES
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A44
HABERDASHERY; JEWELLERY
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A44B
BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
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18/00
Fasteners of the touch-and-close type; Making such fasteners
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A44B18/0046
Fasteners made integrally of plastics
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A44B18/0061
Male or hook elements
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A44B18/0065
of a mushroom type
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