Milking machines VIII
Mickle, Friend Lee
Milking machines VIII The sanitary efficiency of a simplified type of milking machines - Geneva 1924 - 1-48 p. - Milking, Sanitary New York Agricultural Experiment Station. Bulletin No. 524 .
Milking machines VIII The sanitary efficiency of a simplified type of milking machines - Geneva 1924 - 1-48 p. - Milking, Sanitary New York Agricultural Experiment Station. Bulletin No. 524 .