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A Short-range locator system for detecting trapped miners

Published Year

• 1980-1989 (1) *

Subject

• Mine communication systems (1) *
• Mine rescue work--Equipment and supplies (1)
• Radio--Transmitters and transmission (1)

Author

• Boyle, James R. (1)
• Church, R. H. (1) *
• Pittman, Walter E. (1)
• Webb, William E. (1)

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