Light beam position detection and control apparatus employing diffraction patterns,申请号EP19920307073-传众专利搜索

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发明名称	Light beam position detection and control apparatus employing diffraction patterns
摘要
申请公布号	EP0538993(B1)	申请公布日期	1997.01.08
申请号	EP19920307073	申请日期	1992.08.03
申请人	POLAROID CORPORATION	发明人	SULLIVAN, PAUL F.
分类号	B41J2/44;G01B11/27;G02B26/10;G02B27/00;H04N1/047;H04N1/10;H04N1/113;H04N1/12;(IPC1-7):H04N1/04	主分类号	B41J2/44
代理机构		代理人
主权项
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