1 resultado para 552

em Digital Repository at Iowa State University


Relevância:

10.00% 10.00%

Publicador:

Resumo:

This invention relates generally to grain threshing apparatus and in particular to an apparatus for threshing grain wherein an impeller is rotatable within a concave or tubular screen. This application is a division of application Serial No. 560,552, now Patent No. 2,906,270. An object of this invention is to provide an improved apparatus for threshing grain.