State OKs first wireless mine system
Jun 13, 2007 1:05 PM, - The Times West Virginian (Fairmont, W.Va.)
The state approved a wireless communication system for use in 177 underground coal mines.
State OKs first wireless mine systemJun 13, 2007 1:05 PM, - The Times West Virginian (Fairmont, W.Va.) The state approved a wireless communication system for use in 177 underground coal mines. |
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