C02F 1/5209 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C02F 1/5209

Full Title

Treatment of water, waste water, or sewage (C02F3/00 - C02F9/00 take precedence) > by flocculation or precipitation of suspended impurities

This code exists only in CPC.

Diff view requires codes present in both systems.