Author: | Wright, Fred D. |
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Year: | 1950 |
Document Type: | N/A |
SUDOC: | I 28.23:4709 |
Series: | United States Bureau of Mines Reports |
Report Number: | R. I. 4709 |
Subjects: | Air-compressors. |
Oil-shales. | |
Link: | http://digital.library.unt.edu/ark:/67531/metadc38544/ |