Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1942
Author : Joseph Edgar Tiffany
Publisher :
Page : 30 pages
File Size : 25,86 MB
Release : 1942
Category : Blasting
ISBN :
Author : Joseph Edgar Tiffany
Publisher :
Page : 30 pages
File Size : 25,86 MB
Release : 1942
Category : Blasting
ISBN :
Author :
Publisher :
Page : 28 pages
File Size : 14,47 MB
Release : 1940
Category : Blasting
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 18 pages
File Size : 11,12 MB
Release : 1933
Category : Coal mines and mining
ISBN :
Author : Joseph Edgar Tiffany
Publisher :
Page : 26 pages
File Size : 15,33 MB
Release : 1941
Category : Blasting
ISBN :
Author : Joseph Edgar Tiffany
Publisher :
Page : 23 pages
File Size : 41,64 MB
Release : 1943
Category : Blasting
ISBN :
Author :
Publisher :
Page : 16 pages
File Size : 25,6 MB
Release : 1930
Category : Explosives
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 18 pages
File Size : 47,91 MB
Release : 1934
Category : Coal mines and mining
ISBN :
Author :
Publisher :
Page : 18 pages
File Size : 22,44 MB
Release : 1931
Category : Coal mines and mining
ISBN :
Author :
Publisher :
Page : 24 pages
File Size : 13,24 MB
Release : 1938
Category : Blasting
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 16 pages
File Size : 43,28 MB
Release : 1932
Category : Blasting
ISBN :