MANUFACTURE OF STAMPER FOR DUPLICATING OPTICAL DISK,申请号JP19900298068-传众专利搜索

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发明名称	MANUFACTURE OF STAMPER FOR DUPLICATING OPTICAL DISK
摘要
申请公布号	JPH04170735(A)	申请公布日期	1992.06.18
申请号	JP19900298068	申请日期	1990.11.02
申请人	RICOH CO LTD	发明人	MURATA SHIYOUZOU
分类号	G11B7/26	主分类号	G11B7/26
代理机构		代理人
主权项
地址

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