IPC Main Group
B21D 47/00 Making rigid structural elements or units, e.g. honeycomb structures
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Related Keywords
making metallic HONEYCOMB
2 direct subcodes
Child Classifications
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- B21D 47/01 beams or pillars
- B21D 47/04 composite sheet metal profiles