CPC Main Group
B21C 25/00 Profiling tools for metal extruding
5 direct subcodes
Child Classifications
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- B21C 25/02 Dies
- B21C 25/04 Mandrels
- B21C 25/06 Press heads, dies, or mandrels for coating work
- B21C 25/08 Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
- B21C 25/10 Making tools by operations not covered by a single other subclass