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Permissible electrically operated room hoists
State regulations pertaining to hoisting of men
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Published Year
1930-1939 (2) *
Subject
Hoisting machinery (2) *
Mine hoisting (1)
Mine safety--Law and legislation (1)
Author
Gleim, E. J. (2)
Ilsley, L. C. (2)
Brunot, H. B. (1)
