Piotr Drzewiecki (Q1544)
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(1865-1943) engineer, technologist and social activist, mayor of the city of Warsaw in 1917-1921, president of the board of the "Liga Pracy" society in 1919-1930
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Piotr Drzewiecki |
(1865-1943) engineer, technologist and social activist, mayor of the city of Warsaw in 1917-1921, president of the board of the "Liga Pracy" society in 1919-1930 |
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Piotr Drzewiecki (polski)
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