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john mechanical engineer
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Drying farmers' stock peanuts with intermittent exposures to heated air
Woodward, John D. (Mechanical engineer) · Agricultural Research Service, U.S. Department of Agriculture
25 sayfa · 1972
Peanuts / Curing
The Chief cause of our want of employment and loss of revenue
Standfield, John Civil and Mechanical Engineer · Printed for private circulation
56 sayfa · 1879
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