CPC Subgroup
B21F 45/16 of devices for fastening or securing purposes
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
5 direct subcodes
Child Classifications
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- B21F 45/18 of slide fastener elements
- B21F 45/20 of spring hooks; of spring safety hooks
- B21F 45/22 of paper fasteners or clips (staples B21F45/24)
- B21F 45/24 of staples; of belt-fastening elements
- B21F 45/26 of buttons