General & OtherDeveloping a lock-hopper feeder for hydraulic hoisting of coalHenry A Dierks![Developing a lock-hopper feeder for hydraulic hoisting of coal]()
Developing a lock-hopper feeder for hydraulic hoisting of coal
Henry A Dierks
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“Developing a lock-hopper feeder for hydraulic hoisting of coal” by Henry A Dierks: a public-domain book in “General & Other”, written in English. Read it in…
Catalogue details
- Author
- Henry A Dierks
- Category
- General & Other
- Language
- English
- Source
- HathiTrust