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m conner ahrens
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Cilt sonuçları
How to make your milk cooler heat water
M. Conner Ahrens · U.S. Dept. of Agriculture, Agricultural Research Service
Sayfa sayısı yok · 1959
Milk / Cooling / Equipment and supplies / Heat treatment
Food freezers
M. Conner Ahrens · Extension Service, Institute of Agricultural Sciences, State College of Washington
Sayfa sayısı yok · 1956
Home freezers