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Kabushiki Kaisha Myanaga
| Kabushiki Kaisha Myanaga Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090139772 | DIAMETRICALLY EXPANDED GROOVE CUTTING APPARATUS AND EXPANDABLE MECHANISM - To provide a diametrically expanded groove cutting apparatus capable of simultaneously cutting a plurality of diametrically expanded annular grooves on an inner peripheral wall of an anchor prepared hole for planting an anchor bar therein, and to provide an expandable mechanism used in the diametrically expanded groove cutting apparatus. | 06-04-2009 |