Author:
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 28
Book Description
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1940
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1941
Author: Joseph Edgar Tiffany
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 26
Book Description
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 26
Book Description
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30. 1931
Author:
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 18
Book Description
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 18
Book Description
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1930
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1933
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 18
Book Description
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 18
Book Description
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1938
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1934
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 18
Book Description
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 18
Book Description
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1939
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1932
Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 16
Book Description
Publisher:
ISBN:
Category : Blasting
Languages : en
Pages : 16
Book Description
Active List of Permissible Explosives and Blasting Devices Approved Prior to June 30, 1932
Author:
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 14
Book Description
Publisher:
ISBN:
Category : Coal mines and mining
Languages : en
Pages : 14
Book Description