Noise test report :handheld pneumatic rotary drill

Author:	Stein, Robert R.
Additional Authors:	Aljoe, William W.
Year:	1989
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I.28.23:9269
Series:	Report of investigations / United States. Bureau of Mines ;
Report Number:	9269
Subjects:	Pneumatic tools--Noise
	Rotary percussion drills--Noise
Link:	https://hdl.handle.net/2027/mdp.39015078476952