DIFF Subgroup
B23K 3/047 electric
Introduced: January 1990
Full Title
Tools, devices or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods > Heating appliances > electric
CPC subdivides this area 6x more granularly than IPC with 5 additional codes.
5 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
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