Procedure for Testing Explosives for Permissibility for Use in Gaseous and Dustry Coal Mines with Test Requirements, Tolerance Limits, and the Schedule of Fees [approved] April 8, 1921

Procedure for Testing Explosives for Permissibility for Use in Gaseous and Dustry Coal Mines with Test Requirements, Tolerance Limits, and the Schedule of Fees [approved] April 8, 1921
Author: United States Mines Bureau
Publisher:
Total Pages: 12
Release: 1921
Genre:
ISBN:


Download Procedure for Testing Explosives for Permissibility for Use in Gaseous and Dustry Coal Mines with Test Requirements, Tolerance Limits, and the Schedule of Fees [approved] April 8, 1921 Book in PDF, Epub and Kindle

Procedure for Testing Explosives for Permissibility for Use in Gaseous and Dustry Coal Mines with Test Requirements, Tolerance Limits, and the Schedule of Fees [approved] April 8, 1921

Procedure for Testing Explosives for Permissibility for Use in Gaseous and Dustry Coal Mines with Test Requirements, Tolerance Limits, and the Schedule of Fees [approved] April 8, 1921
Author: United States. Mines Bureau
Publisher:
Total Pages: 12
Release: 1921
Genre:
ISBN:


Download Procedure for Testing Explosives for Permissibility for Use in Gaseous and Dustry Coal Mines with Test Requirements, Tolerance Limits, and the Schedule of Fees [approved] April 8, 1921 Book in PDF, Epub and Kindle

Procedure for Applying for Tests Made on All Explosives and Blasting Devices by the Explosives Division of the Bureau of Mines; Prescribed Conditions and Requirements for Permissibility when Used in Coal Mines and Schedule of Fees for the Tests, Approved September 18, 1939

Procedure for Applying for Tests Made on All Explosives and Blasting Devices by the Explosives Division of the Bureau of Mines; Prescribed Conditions and Requirements for Permissibility when Used in Coal Mines and Schedule of Fees for the Tests, Approved September 18, 1939
Author: United States Mines Bureau
Publisher:
Total Pages: 20
Release: 1939
Genre:
ISBN:


Download Procedure for Applying for Tests Made on All Explosives and Blasting Devices by the Explosives Division of the Bureau of Mines; Prescribed Conditions and Requirements for Permissibility when Used in Coal Mines and Schedule of Fees for the Tests, Approved September 18, 1939 Book in PDF, Epub and Kindle