Osnovy tekhnicheskogo progressa ugolńoĭ promyshlennosti SSSR
| Other Authors: | |
|---|---|
| Format: | Book |
| Language: | Russian |
| Published: |
Moskva,
Ugletekhlzdat,
1959
|
| Subjects: |
| Other Authors: | |
|---|---|
| Format: | Book |
| Language: | Russian |
| Published: |
Moskva,
Ugletekhlzdat,
1959
|
| Subjects: |