DIFF Main Group
C06B 39/00 Compositions containing free phosphorus or a binary compound of phosphorus, except with oxygen
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 39/06 with free metal, alloy, boron, silicon, selenium or tellurium since 1974 IPC+CPC Available in IPC and CPC