DIFF Main Group
C06B 31/00 Compositions containing an inorganic nitrogen-oxygen salt
Introduced: July 1974
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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- C06B 31/02 the salt being an alkali metal or an alkaline earth metal nitrate since 1974 IPC+CPC Available in IPC and CPC