000 00391 a2200145 4500
245 1 _aEquipment for cleaning and grading grains and seeds
260 _aRome
_c1951
650 _aEquipment
650 _aGrains
100 1 _aRay, Luther R., Beekman, Evert
_d
300 _a14 p.
440 _aNo. 10
_vFood and Agriculture Organization of the United Nat
942 _2udc
_cB
901 _a59652
999 _c52998
_d52998