Face ventilation in underground bituminous coal mines :airflow characteristics of flexible, spiral-reinforced ventilation tubing

Author: Peluso, Robert G.
Year: 1968
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:7085
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 7085
Subject: Mine ventilation
Link: https://hdl.handle.net/2027/mdp.39015078531707

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