Belt conveyors and belt elevators
Hetzel, Frederic V.
Belt conveyors and belt elevators - 3rd rev. & enl. ed - New York John Wiley, 1941 - vii,439 p. 22.5 cm - .
14
Conveying machinery
Belt conveyors
Elevators
621.867 Het
Belt conveyors and belt elevators - 3rd rev. & enl. ed - New York John Wiley, 1941 - vii,439 p. 22.5 cm - .
14
Conveying machinery
Belt conveyors
Elevators
621.867 Het