Engineering & TechnologyJeffrey elevating-conveying power transmission machinery. Coal mine equipmentsJeffrey Manufacturing Company![Jeffrey elevating-conveying power transmission machinery. Coal mine equipments]()
Jeffrey elevating-conveying power transmission machinery. Coal mine equipments
Jeffrey Manufacturing Company
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“Jeffrey elevating-conveying power transmission machinery. Coal mine equipments” by Jeffrey Manufacturing Company: a public-domain book in “Engineering &…
Catalogue details
- Author
- Jeffrey Manufacturing Company
- Category
- Engineering & Technology
- Language
- English
- Source
- HathiTrust