DIFF Main Group
G03G 9/00 Developers
Introduced: September 1968
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G03G 9/16 Developers not provided for in groups G03G9/06 - G03G9/135, e.g. solutions, aerosols since 1974 IPC+CPC Available in IPC and CPC