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SUBJECTS (1-2 之 2)
Environmental engineering -- Research.
1
PRINTED MAT
 

Noise control of an underground continuous miner, auger-type


Giardino, Dennis A.
[Arlington, Va.] : Dept. of the Interior, Mining Enforcement and Safety Administration, 1977. 1977

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2
PRINTED MAT
 

The noise environment of the underground coal mine


Bobick, T. G.
[Washington] : U.S. Dept. of the Interior, Mining Enforcement and Safety Administration, [1976] 1976

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複本
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