发明授权
EP0731394B1 A device for direct electrostatic printing (DEP) comprising a magnetic brush and printhead structure with special geometry 失效
一种用于与磁刷构成的直接静电印刷,并用特殊的几何形状的打印头结构设备

A device for direct electrostatic printing (DEP) comprising a magnetic brush and printhead structure with special geometry
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