National safety competition of 1943 / by W.W. Adams and T.D. Lawrence.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. Dept. of the Interior, Bureau of Mines,
1944.
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| Series: | Report of investigations (United States. Bureau of Mines) ;
3771. |
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