OPTICAL PHASE MODULATING ELEMENT,申请号JP19890071020-传众专利搜索

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发明名称	OPTICAL PHASE MODULATING ELEMENT
摘要
申请公布号	JPH02248921(A)	申请公布日期	1990.10.04
申请号	JP19890071020	申请日期	1989.03.22
申请人	SUMITOMO SPECIAL METALS CO LTD	发明人	TOYODA YUKIO
分类号	G02F1/03;G02F1/055	主分类号	G02F1/03
代理机构		代理人
主权项
地址

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