METHOD AND DEVICE FOR LIGHT EXPOSURE OF MASTER DISK FOR OPTICAL DISK,申请号JP19910108828-传众专利搜索

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发明名称	METHOD AND DEVICE FOR LIGHT EXPOSURE OF MASTER DISK FOR OPTICAL DISK
摘要
申请公布号	JPH04315836(A)	申请公布日期	1992.11.06
申请号	JP19910108828	申请日期	1991.04.12
申请人	RICOH CO LTD	发明人	ITO YUJI
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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