American standard safety rules for installing and using electrical equipment in and about coal mines (M2.1) / by American Standards Association ; Sponsors, American Mining Congress and U.S. Bureau of Mines.
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Corporate Authors: | , , |
Other title: | American Standard Safety Code for installing and using electrical equipment in coal mines, M2.1. |
Format: | Government Document Book |
Language: | English |
Published: |
Washington :
Bureau of Mines,
1964.
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Series: | Information circular (United States. Bureau of Mines) ;
8227. |
Subjects: |