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PCE
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CPC Subgroup
B21F 45/26

of buttons

Full Title

Wire-working in the manufacture of other particular articles (of pins, needles, nails, hairpins B21G; of chains B21L) > of devices for fastening or securing purposes > of buttons

1 direct subcode

Child Classifications

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  • B21F 45/28 of "patent-fastener" or press-button type