Alarm system for radiation working level, fan operation, and air door position

Additional Authors: Sheeran, C. T., Franklin, John C., Weverstad, K.D., Barr, P.E.
Year: 1982
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:8903
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 8903
Subjects: Mine ventilation--Safety measures
Electronic alarm systems
Link: https://hdl.handle.net/2027/mdp.39015078460626

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