DOUBLE REFRACTION MEASURING APPARATUS FOR OPTICAL DISC SUBSTRATE,申请号JP19870168171-传众专利搜索

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发明名称	DOUBLE REFRACTION MEASURING APPARATUS FOR OPTICAL DISC SUBSTRATE
摘要
申请公布号	JPS6412241(A)	申请公布日期	1989.01.17
申请号	JP19870168171	申请日期	1987.07.06
申请人	SEIKO EPSON CORP	发明人	OTSUKI SHINYA
分类号	G11B7/26;G01M11/00;G01N21/23	主分类号	G11B7/26
代理机构		代理人
主权项
地址

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