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WIPO ST.3 is the World Intellectual Property Organization standard for the two-letter codes of countries and other organizations, such as regional intellectual-property organizations. It generally follows ISO 3166-1 except for the non-country entries.
Video WIPO ST.3
Current codes
Rows in blue are not present in ISO 3166-2. Rows in yellow are different from ISO 3166-2. Codes AA, QM to QY, XA to XM, XO to XT, XW, XY, XZ and ZZ are available for individual or provisional use.
Maps WIPO ST.3
References
This article incorporates material that is free to use or reproduce from the World Intellectual Property Organization document "WIPO ST.3".
Source of the article : Wikipedia
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