Commerce international de machines agricoles.  International trade in agricultural machinery. 

 - Rome  [Imprimerie de la Chambre des députés]  1934. 
 - 3 p. l., 200 p.  25 cm. 
<br/><br/> 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. 
<br/><br/><label>LCCN: </label>agr35000066  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural machinery.
<br/><br/><label>LC Class. No.: </label>HD9486.I82  / I6