Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Gold dredging by electric power
Illustrates and describes the method used in the west of applying electrical energy to this work. (1200 w.) (No. 78839 A)
Gold dredging by electric power
Illustrates and describes the method used in the west of applying electrical energy to this work. (1200 w.) (No. 78839 A)
Gold dredging by electric power
Elec Engr, Lond
Perkins, Frank C. (Autor:in)
1906
Aufsatz (Zeitschrift)
Englisch
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Electric power in gold dredging
| Engineering Index Backfile | 1916
Engineering Index Backfile | 1907
British Library Online Contents | 1999
| Engineering Index Backfile | 1899
Online Contents | 1999