Process for producing high-purity plant mucus from psyllium seeds
ES475333A1
Improvements in the separating, classification and or selection machines of grains or similar. (Machine-translation by Google Translate, not legally binding)
US4167478A
Universal modular screening, classifying, cleaning and sizing machine
US3960068A
Machine for whitening, polishing or pearling grains and cereals and more particularly rice
US3924899A
Automatic choke relief valves system for pneumatic conveyance