making use of shielding gas

Introduced: September 1968

Full Title

Arc welding or cutting > making use of shielding gas

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

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B23K 9/162 CPC only CPC only
B23K 9/164 CPC only CPC only
B23K 9/167 and of a non-consumable electrode since 1990 +1 CPC IPC+CPC Available in IPC and CPC
B23K 9/173 and of a consumable electrode since 1990 +1 CPC IPC+CPC Available in IPC and CPC