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石原 昂. "〔72〕穀粒の空気運搬における圧力降下〔Jack W. Crane & W.M.Carleton, Agr.Engg., 1957-3,Vol.37,No.3,p.168〜180,図7〕." Journal of the Society of Mechanical Engineers 61.469 (1958) 228-229