00430nam a2200145Ia 4500 130903s9999 xx 000 0 und d TR631.361.3:621-514(047) M1 A hand operated winnower. London Tropical Products Institute 1981 25p. Tropical Products Institute; Rural Technology Guide; 11 Beaumont, J.H. Fanning-mills GRBK 0 0 0 0 KSD KSD 2013-09-03 0 TR631.361.3:621-514(047) M1 G188 2013-09-03 00:00:00 2013-09-03 GRBK 81497 81497