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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A44B19/42
Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
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