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Lysle Edward Shaffer
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A method of platting the projections of crooked bore holes
Lysle Edward Shaffer · Missouri School of Mines and Missouri State Mining Experiment Station
14 sayfa · 1945
Boring
Yazar
1 cilt bulundu.
Lysle Edward Shaffer · Missouri School of Mines and Missouri State Mining Experiment Station
14 sayfa · 1945
Boring