Памятка забойщика на маломощных крутопадающих пластах
| Format: | Book |
|---|---|
| Language: | Russian |
| Published: |
М
Углетехиздат
1950
|
| Edition: | 2 |
| Subjects: |
| Physical Description: | 31с |
|---|
| Format: | Book |
|---|---|
| Language: | Russian |
| Published: |
М
Углетехиздат
1950
|
| Edition: | 2 |
| Subjects: |
| Physical Description: | 31с |
|---|