Optical head having multiple light sources having different wavelengths,申请号EP19970402199-传众专利搜索

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发明名称	Optical head having multiple light sources having different wavelengths
摘要
申请公布号	EP0831466(B1)	申请公布日期	2002.04.10
申请号	EP19970402199	申请日期	1997.09.22
申请人	NEC CORPORATION	发明人	YAMANAKA, YUTAKA
分类号	G11B7/085;G11B7/00;G11B7/08;G11B7/125;G11B7/135;(IPC1-7):G11B7/00;G11B7/09;G11B7/13;G11B7/12	主分类号	G11B7/085
代理机构		代理人
主权项
地址

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