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Longwall-shortwall mining, state of the art /
I tiakina i:
| Ngā kaituhi rangatōpū: | , |
|---|---|
| Ētahi atu kaituhi: | |
| Hōputu: | Pukapuka |
| Reo: | Ingarihi |
| I whakaputaina: |
New York, NY. :
Society of Mining Engineers of The American Institute of Mining, Metallurgical, and Petroleum Engineers,
1981.
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| Ngā marau: | |
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