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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 4217693 | Controlled depth scoring tool A scoring tool for forming a scoreline having a predetermined depth in a composite container label layer is disclosed, including an annular scoring blade and a holder assembly supporting the blade for rotation about an axis. The holder assembly includes a... | 08/19/1980 |
