CPC Main Group
B21D 37/00 Tools as parts of machines covered by this subclass
9 direct subcodes
Child Classifications
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- B21D 37/01 Selection of materials
- B21D 37/02 Die constructions enabling assembly of the die parts in different ways (B21D37/06 takes precedence)
- B21D 37/04 Movable or exchangeable mountings for tools
- B21D 37/08 Dies with different parts for several steps in a process
- B21D 37/10 Die sets; Pillar guides
- B21D 37/14 Particular arrangements for handling and holding in place complete dies
- B21D 37/16 Heating or cooling
- B21D 37/18 Lubricating
- B21D 37/20 Making tools by operations not covered by a single other subclass