Longwall conveyor systems study : final technical report as of 28 February 1978 /
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| Main Author: | |
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| Corporate Authors: | , |
| Other Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] : Springfield, Va. :
Dept. of Energy, Assistant Secretary for Energy Technology, Division of Fossil Fuel Extraction, Mining Research and Development ; For sale by the National Technical Information Service,
1978-
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| Series: | FE ; 8915/T 2-1
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| Subjects: |