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EXCEL MINING SYSTEMS LLC
| EXCEL MINING SYSTEMS LLC Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110311319 | LOW PROFILE CABLE BOLT HEADERS - Improved roof cable bolts with reduced protrusion from a mine roof. Particularly, a roof cable bolt head can preferably be dimensioned such that most of its length fits inside a drilled hole in the mine roof. | 12-22-2011 |