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Keywords from Image Description:
Conveyors carrier screw drag plate. en Conveyors carrier conveyor screw conveyor drag plate conveyor org The elements of chemical engineering Jacob Grossmann Jabob Grossmann died in See google it id TcFFPdQQwC pg PR lpg PR dq JacobGrossmann source bl ots BfrcYJKy sig bsgFBlcqEJttHSPqOgnEncMMZhI hl it sa ei OtBSULVNQThIHCQ