Investigation into the process of conveying by vertical screw conveyor
Vierling, A.
Investigation into the process of conveying by vertical screw conveyor - 26cm. 445-451
CONVEYING MACHINERY
AGRICULTURAL ENGINEERING CONVEYING MACHINERY
631.3 V67I
Investigation into the process of conveying by vertical screw conveyor - 26cm. 445-451
CONVEYING MACHINERY
AGRICULTURAL ENGINEERING CONVEYING MACHINERY
631.3 V67I