DIFF Subgroup
B23H 7/14 Electric circuits specially adapted therefor, e.g. power supply
Introduced: January 1985
Full Title
Processes or apparatus applicable to both electrical discharge machining and electrochemical machining > Electric circuits specially adapted therefor, e.g. power supply
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 1985.
Child Classifications
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