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Alarm system for radiation working level, fan operation, and air door position
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Published Year
1980-1989 (1)
Subject
Electronic alarm systems (1)
Mine ventilation--Safety measures (1) *
Author
Barr, P.E. (1)
Franklin, John C. (1)
Sheeran, C. T. (1)
Weverstad, K.D. (1) *
