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Mixer for powders and granules comprising a container and a screw conveyor mounted in rotation about its vertical axis inside this container, characterized in that in each horizontal section of the container the radial distance between the contour of the thread of the conveyor and the inner wall of the container passes through a maximum and a minimum at each turn of the thread. (Machine-translation by Google Translate, not legally binding)
ES101665U1963-05-091963-05-09
Mixer for powders and granules
ExpiredES101665Y
(en)
Improvements in the devices for the continuous preparation of linear polycondensation products. (Machine-translation by Google Translate, not legally binding)