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|
Frictional ignition of natural gas-air mixtures by alternative coal-cutter bit shank materials
| Author: | McDonald, L. Garner. |
|---|---|
| Year: | 1992 |
| Document Type: | BMRA |
| Issuing Agency: | Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:9417 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 9417 |
| Subjects: | Mine explosions--Prevention |
| Coalbed methane--Combustion | |
| Coal-cutting bits--Testing | |
| Friction | |
| Links: | no.9417 1992 |
| https://hdl.handle.net/2027/mdp.39015077558636 |
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