Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
This publication lists permissible equipment approved by the Bureau of Mines during 1967 and 1968 (calender years), except breathing apparatus and explosives. The purpose of this publication is to inform the public about approved equipment for use in underground mines. (Author)
This publication lists permissible equipment approved by the Bureau of Mines during 1967 and 1968 (calender years), except breathing apparatus and explosives. The purpose of this publication is to inform the public about approved equipment for use in underground mines. (Author)
Permissible Mine Equipment Approved by the Bureau of Mines During 1967-68
F. R. Lee (Autor:in)
1970
33 pages
Report
Keine Angabe
Englisch
Permissible mine equipment approved during 1942
Engineering Index Backfile | 1943
|List of respiratory protective devices approved by bureau of mines
Engineering Index Backfile | 1938
|Mine accidents and the Bureau of Mines
Engineering Index Backfile | 1910
|List of respiratory protective devices approved by bureau of mines
Engineering Index Backfile | 1938
|