countries with 30 years pma (Q117428909)
Countries and regions with copyright protection for authors' lifetime plus 30 years after their deaths
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aliases countries with 30 years post mortem auctoris
countries with 30 years p.m.a.
30 year pma countries
30 year p.m.a. countries
description Countries and regions with copyright protection for authors' lifetime plus 30 years after their deaths