International trade in agricultural machinery International Institute of Agriculture creator Hopfen, Hans Joachim. text it Rome [Imprimerie de la Chambre des députés] 1934 monographic eng

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3 p. l., 200 p. 25 cm. At head of title: Institut international d'agriculture. Supplement to fourth edition of its Les institutions de génie rural dans le monde. International directory of agricultural engineering institutions. (225 In88) "[Prepared by] Mr. Hans Joachim Hopfen, ing. agr., readctor for agricultural engineering to the Bureau of agricultural science ... under the direction of Prof. Georges Ray, chief of the bureau." cf. prelim. leaf 3 of Les institutions de génie rural dans le monde. Ed. 4. Agricultural machinery HD9486.I82 I6 agr35000066 Library, U.S. Dept. of Agriculture 851106 20260227110954.0 agr35000066