Safety Rules for Installing and Using Electrical Equipment in Coal Mines United States. Bureau of Mines Published: 1926 Total Pages: 28 Get eBook
Suggested Safety Rules for Installing and Using Electrical Equipment in Bituminous Coal Mines Harold Hayward Clark Published: 1916 Total Pages: 36 Get eBook
American Standard Safety Rules for Installing and Using Electrical Equipment in and about Coal Mines (M2.1) American Standards Association Published: 1964 Total Pages: 38 Get eBook
Industrial Standardization and Commercial Standards Monthly Published: 1936 Total Pages: 760 Get eBook
Electrical and Mechanical Hazards and Falls of Persons at Metal and Nonmetallic Mines United States. Bureau of Mines Published: 1957 Total Pages: 120 Get eBook