Silicosis prevention
dust control in foundries
United States
Bureau of Labor Standards.
creator
text
bibliography
dcu
Washington
U.S. Govt. print. off.
1939
monographic
eng
iii, 25 p. illus., diagrs. 23 cm.
United States Department of labor. Frances Perkins, secretary. Division of labor standards. Verne A. Zimmer, director.
"Selected references": p. 25.
Lungs
Dust diseases
Foundries
HD7264 .U6 1939a
l 39000104
U.S. Dept. of labor. Libr.
800418
20260227111537.0
l 39000104