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Twelve-cubic yard electrically-driven stripping shovel
Details of shovel built by Bucyrus-Erie Co. of South Milwaukee, Wis.; machine weighs nearly 800 long tons, and has been constructed for stripping overburden in connection with coal-mining operations.
Twelve-cubic yard electrically-driven stripping shovel
Details of shovel built by Bucyrus-Erie Co. of South Milwaukee, Wis.; machine weighs nearly 800 long tons, and has been constructed for stripping overburden in connection with coal-mining operations.
Twelve-cubic yard electrically-driven stripping shovel
Engineering
Engineering Abstracts ; 127
1929
2 Figs.
Article (Journal)
English
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PERMANENT MAGNET MOTOR AND ELECTRICALLY-DRIVEN ROTARY SHOVEL USING THE SAME
| European Patent Office | 2017
| Engineering Index Backfile | 1893