DIFF Subgroup
B23K 37/04 for holding or positioning work
Introduced: September 1968
Full Title
Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass > for holding or positioning work
CPC subdivides this area 3x more granularly than IPC with 4 additional codes.
4 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- B23K 37/047 moving work to adjust its position between soldering, welding or cutting steps (B23K37/053 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
- B23K 37/053 aligning cylindrical work; Clamping devices therefor since 1990 IPC+CPC Available in IPC and CPC