![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 PDF](https://books.google.com/books/content/images/frontcover/Re277xnbMjMC?fife=w150-h200)
Author: United States Mines BureauPublisher:
ISBN:
Category :
Languages : en
Pages : 12
Book Description
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 PDF Download
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Author: United States Mines BureauPublisher:
ISBN:
Category :
Languages : en
Pages : 12
Book Description
![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 PDF](https://books.google.com/books/content/images/frontcover/Re277xnbMjMC?fife=w80-h100)
Author: United States Mines Bureau
Author: John Edwards Crawshaw
Author: United States. Bureau of Mines
Author: United States. Superintendent of Documents
Author: 
Author: United States. Superintendent of Documents![Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States PDF](https://books.google.com/books/content/images/frontcover/qgKAZ36CvQMC?fife=w80-h100)
Author: United States. Superintendent of Documents
Author: United States. Bureau of Mines
Author: 
Author: Public Affairs Information Service