Разработка маломощных и сложных угольных пластов открытым способом
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| Other Authors: | |
| Format: | Book |
| Language: | Russian |
| Published: |
М
Недра
1975
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| Subjects: |
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Book |
| Language: | Russian |
| Published: |
М
Недра
1975
|
| Subjects: |