Laboratory evaluation of RACAL "airstream" helmet
Contributors: United States. Mine Safety and Health Administration
Series: IR -- 1130; Informational report (United States. Mine Safety and Health Administration) -- IR 1130
Publisher: U.S. Department of Labor, Mine Safety and Health Administration
Published: 1981
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Coal mines and mining -- Dust control -- United States; Mine dusts -- Safety measures; Safety hats