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Dec 01 2017· VerticalScrewAuger Conveyer FeederNASA Technical Reports Server NTRS Walton Otis Inventor Vollmer Hubert J Inventor A conical feeder is attached to a vertically conveying screw auger The feeder is equipped with scoops and rotated from the surface to forcefeed regolith the auger Additional scoops are possible by adding a cylindrical section above the conical
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Revision 00 เล่มที่ 3237 crops and seed
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