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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 |
| 7469198 | System for measuring the effect of an ADSL splitter Problems arise when using an Integrated Service Digital Network infrastructure for providing Asymmetrical Digital Subscriber Line technology. These problems do not always occur but depend on the distance between the end-user location and the central location, and th... | 12/23/2008 |
