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发明申请
US20050158113A1 Erasable writing system 审中-公开
可擦写书写系统

Erasable writing system
摘要：
A system including a writing instrument including a body having a marking portion and an eraser portion, wherein the marking portion is configured to dispense a permanent ink and the eraser portion is configured to dispense a solvent which solubilizes the permanent ink.
摘要（中）：

一种包括书写工具的系统，包括具有标记部分和橡皮擦部分的本体，其中所述标记部分被配置为分配永久性墨水，并且所述橡皮擦部分被配置为分配溶解所述永久性墨水的溶剂。

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