DIFF Subgroup
C02F 1/50 by addition or application of a germicide or by oligodynamic treatment
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Treatment of water, waste water, or sewage > by addition or application of a germicide or by oligodynamic treatment
CPC:
Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) > by addition or application of a germicide or by oligodynamic treatment
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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