Some small coal jigs for mechanical cleaning of coal at truck mines and other low-tonnage operations
B. W. Gandrud
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“Some small coal jigs for mechanical cleaning of coal at truck mines and other low-tonnage operations” by B. W. Gandrud: a public-domain book in “Engineering…
Catalogue details
- Author
- B. W. Gandrud
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust