DIFF Subgroup
C02F 1/48 with magnetic or electric fields (C02F1/46 takes precedence)
Introduced: January 1980
Title
Titles differ between systems:
IPC: with magnetic or electric fields
CPC: with magnetic or electric fields (C02F1/46 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Treatment of water, waste water, or sewage > with magnetic or electric fields
CPC:
Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) > with magnetic or electric fields (C02F1/46 takes precedence)
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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