DIFF Main Group
C22F 3/00 Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
Introduced: September 1968
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- C22F 3/02 by solidifying a melt controlled by supersonic waves or electric or magnetic fields IPC+CPC Available in IPC and CPC