Method of obtaining infinitely variable speed control of fans described.
Marine boiler draught
Shipbldg Shipg Rec
Shipbuilding and Shipping Record ; 65 , n 6
1945
3 pages
Diagram given
Article (Journal)
English
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Online Contents | 2001
Semi-submersible floated draught fan foundation and draught fan
European Patent Office | 2020
|Engineering Index Backfile | 1924
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