Active List of Permissible Explosives and Devices Approved Previous to June 30, 1943
Author : Joseph Edgar Tiffany
Publisher :
Page : 23 pages
File Size : 12,17 MB
Release : 1943
Category : Blasting
ISBN :
Author : Joseph Edgar Tiffany
Publisher :
Page : 23 pages
File Size : 12,17 MB
Release : 1943
Category : Blasting
ISBN :
Author : Joseph Edgar Tiffany
Publisher :
Page : 23 pages
File Size : 17,22 MB
Release : 1943
Category : Blasting
ISBN :
Author : Joseph Edgar Tiffany
Publisher :
Page : 26 pages
File Size : 22,59 MB
Release : 1941
Category : Blasting
ISBN :
Author :
Publisher :
Page : 28 pages
File Size : 26,52 MB
Release : 1940
Category : Blasting
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 18 pages
File Size : 24,35 MB
Release : 1933
Category : Coal mines and mining
ISBN :
Author : Joseph Edgar Tiffany
Publisher :
Page : 24 pages
File Size : 37,49 MB
Release : 1946
Category : Explosives
ISBN :
Author :
Publisher :
Page : 16 pages
File Size : 20,63 MB
Release : 1930
Category : Explosives
ISBN :
Author :
Publisher :
Page : 24 pages
File Size : 46,47 MB
Release : 1938
Category : Blasting
ISBN :
Author : United States. Bureau of Mines
Publisher :
Page : 18 pages
File Size : 20,22 MB
Release : 1934
Category : Coal mines and mining
ISBN :
Author :
Publisher :
Page : 18 pages
File Size : 16,84 MB
Release : 1931
Category : Coal mines and mining
ISBN :