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Demonstration of safety plugging of oil wells penetrating appalachian coal mines
Demonstration of safety plugging of oil wells penetrating appalachian coal mines
Demonstration of safety plugging of oil wells penetrating appalachian coal mines
1972
23 S
Langzeitarchivierung durch Technische Informationsbibliothek (TIB) / Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothek
Report
Unbekannt
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