Nikolay Ivanovich Stepanov (Q90724232)
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Russian mining engineer and chemist (1879-1938)
Language | Label | Description | Also known as |
---|---|---|---|
English | Nikolay Ivanovich Stepanov |
Russian mining engineer and chemist (1879-1938) |
Statements
23 June 1879Julian
0 references
19 May 1938
0 references