DIFF Subgroup
C25F 1/02 Pickling; Descaling
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Electrolytic cleaning, degreasing, pickling, or descaling > Pickling; Descaling
CPC:
Electrolytic cleaning, degreasing, pickling or descaling > Pickling; Descaling
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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