"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 7431983 | Wiping sheet OBJECT: To realize a wiping sheet with sufficient flexibility, high adhesion strength, easy attachment on concavo-convex surface, good adhesiveness and durability. CONSTITUTION: A wiping sheet 4 wherein a microfiber cloth having a dirt wiping effect is... | 10/07/2008 |