90 years after author's death (Q87369831)
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copyright protection duration of 90 years from the death of the author(s)
- 90 years post mortem auctoris
- 90 years p.m.a.
- 90 years pma
- 90 pma
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | 90 years after author's death |
copyright protection duration of 90 years from the death of the author(s) |
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