Test apparatus for measuring sound power levels of drills

Author: Aljoe, William W.
Additional Authors: Bartholomae, R. C., Stein, Robert R.
Year: 1987
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:9166
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 9166
Subject: Rock-drills--Noise
Link: https://hdl.handle.net/2027/mdp.39015078465443

< New search