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1775 births
19th-century engineers from the Russian Empire
Inventors from the Russian Empire
1839 deaths
Senators of the Russian Empire
People from Tomsk Governorate
Saint Petersburg Mining University alumni
Russian mining engineers

Pyotr Frolov: page information

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Page ID712386

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CreatedJun 19, 2026, 5:31 AM

UpdatedJun 19, 2026, 5:31 AM