Leopold Szefer (Q11754670)
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Polish mining engineer (1881-1970)
Language | Label | Description | Also known as |
---|---|---|---|
English | Leopold Szefer |
Polish mining engineer (1881-1970) |
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Leopold Szefer
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Wikipedia(1 entry)
- plwiki Leopold Szefer
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Multilingual sites(1 entry)
- commonswiki Category:Leopold Szefer