in a special environment or atmosphere, e.g. in an enclosure

Introduced: January 1980

Full Title

Working by laser beam, e.g. welding, cutting or boring > in a special environment or atmosphere, e.g. in an enclosure

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 2014.

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B23K 26/122 in a liquid, e.g. underwater since 2014 IPC+CPC Available in IPC and CPC
B23K 26/1224 CPC only CPC only
B23K 26/123 +1 CPC CPC only CPC only
B23K 26/126 CPC only CPC only
B23K 26/127 +1 CPC CPC only CPC only