※一部利用できない機能があります
Escape capsules in underground coal mines
- フォーマット:
- 電子ブック
- 言語:
- 英語
- 出版情報:
- Arlington, Va. : U.S. Department of Labor, Mine Safety and Health Administration, 2012
類似資料:
Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health |
Department of the Interior, U.S. Geological Survey |
U.S. Dept. of Commerce, National Institute of Standards and Technology |
United States Government Printing Office |
U.S. Dept. of Commerce, National Institute of Standards and Technology |