Procedure for establishing list of permissible self-contained oxygen breathing apparatus : fees, character of tests, and conditions under which mine rescue breathing apparatus will be tested.

Bibliographic Details
Format: Government Document eBook
Language:English
Published: [Washington?] : U.S. Government Printing Office, 1930.
Series:Mines Bur. Schedule No. 13 A
Subjects:
Online Access:Connect to the full text of this electronic document

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