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Cilt sonuçları
Characterization of pre-1957 avionic scrap for resource recovery
B. W. Dunning · U.S. Dept. of the Interior, Bureau of Mines
20 sayfa · 1980
Airplanes / Electronic equipment / Metals / Recycling / Scrap metals
Distribution and analyses of gold and silver in mechanically processed mixed electronic scrap
B. W. Dunning · U.S. Dept. of the Interior, Bureau of Mines
17 sayfa · 1983
Electronics / Gold / Materials / Recycling / Silver
Sterility in pears
M. B. Cummings, E. W. Jenkins, R. G. Dunning · Vermont Agricultural Experiment Station
84 sayfa · 1936
Pears / Pollen / Sterility in plants
Apple orcharding
M. B. Cummings, E. W. Jenkins, R. G. Dunning · Vermont Agricultural Experiment Station
67 sayfa · 1935
Apples / Varieties