Device for calculating diffraction efficiencies of a diffraction lens, lens with grating element, and optical system for reading,申请号EP19980117706-传众专利搜索

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发明名称	Device for calculating diffraction efficiencies of a diffraction lens, lens with grating element, and optical system for reading
摘要
申请公布号	EP0905531(A3)	申请公布日期	1999.10.27
申请号	EP19980117706	申请日期	1998.09.18
申请人	MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.	发明人	YAMAGATA, MICHIHIRO;BOKU, KAZUTAKE;TANAKA, YASUHIRO;SASANO, TOMOHIKO;ONO, SHUSUKE
分类号	G02B27/00;G02B5/18;(IPC1-7):G02B5/18	主分类号	G02B27/00
代理机构		代理人
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地址

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