TY  - BOOK
AU  - Hopfen,Hans Joachim
ED  - International Institute of Agriculture.
TI  - Commerce international de machines agricoles: International trade in agricultural machinery
AV  - HD9486.I82 I6
PY  - 1934///
CY  - Rome
PB  - [Imprimerie de la Chambre des députés]
KW  - Agricultural machinery
N1  - 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
ER  -