Mine transportation and market preparation; mine transportation--hoisting equipment--coal preparation,
Sparad:
| Huvudupphovsman: | |
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| Materialtyp: | Bok |
| Språk: | English |
| Publicerad: |
New York [etc]
McGraw-Hill book company, inc.,
1926.
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| Upplaga: | 1st ed. |
| Serie: | Practical coal production.
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| Ämnen: |
| Fysisk beskrivning: | vii, 354 p. illus., diagrs. 21 cm. |
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