Dust respirators : their construction and filtering efficiency.

Bibliographic Details

Other Authors:	Katz, S. H. (Sidney Hershberg), 1884-, Meiter, Edward George, 1898-1968, Smith, G. W.
Format:	Government Document eBook
Language:	English
Published:	[Washington?] : U.S. Government Printing Office, 1926.
Series:	Mines Bur. Technical Paper No. 394
Subjects:	Breathing apparatus. Electronic books.
Online Access:	Connect to the full text of this electronic document