DIFF Subgroup
G21F 9/20 Disposal of liquid waste
Introduced: September 1968
Full Title
Treating radioactively contaminated material; Decontamination arrangements therefor > Treating liquids > Disposal of liquid waste
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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- G21F 9/24 by storage in the ground; by storage under water, e.g. in ocean IPC+CPC Available in IPC and CPC