IPC Subgroup
B21G 1/12 Securing, cleaning-off burrs, reconditioning, polishing, grinding
Introduced: September 1968
Last revised: January 2006
Full Title
Making needles used for performing operations > Securing, cleaning-off burrs, reconditioning, polishing, grinding
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MAKING NEEDLES, PINS OR NAILS OF METAL
Related Keywords
GRINDING of needlesPOLISHING of needles