Symbol Origin— Symbols and Dates established


Last updated
Tuesday February 16, 2021
Maintained by
OIPC/Classification Standards and Development

The following is a list of all symbols which were added to the CPC Scheme. If available, the corresponding Project information is provided for the symbol. Please refer to the CPC Notices of Changes for additional information regarding changes to the Scheme, Definition, and Concordance.

Refer to the List of Deleted Symbols for all symbols which were added to the Scheme.

Note: In exceptional circumstances, symbol numbers may have been reused.


Version: 2021.02

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Symbol Date Established Project / NoC