Noise abatement of pneumataic rock drill /
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Main Author: | Summers, C. R. (Charles R.) |
---|---|
Corporate Author: | United States. Bureau of Mines |
Other Authors: | Murphy, J. N. |
Format: | Unknown |
Language: | English |
Published: |
[Washington] :
U.S. Dept. of the Interior, Bureau of Mines,
[1974].
|
Series: | Report of investigations (United States. Bureau of Mines) ;
7998 |
Subjects: | |
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