OPTICAL MODULATION ELEMENT,申请号JP19900314244-传众专利搜索

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发明名称	OPTICAL MODULATION ELEMENT
摘要
申请公布号	JPH04186230(A)	申请公布日期	1992.07.03
申请号	JP19900314244	申请日期	1990.11.21
申请人	CANON INC	发明人	MITSUTAKE HIDEAKI;KANEKO SHUZO;ARAGAKI JIYUNKO
分类号	G02F1/1347;G02F1/1337	主分类号	G02F1/1347
代理机构		代理人
主权项
地址

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