OPTICAL HEAD DEVICE AND A DIFFRACTION ELEMENT SUITABLE FOR THE DEVICE, AND A METHOD OF MANUFACTURING THE DIFFRACTION ELEMENT AND THE OPTICAL HEAD DEVICE,申请号KR20007003571-传众专利搜索

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发明名称	OPTICAL HEAD DEVICE AND A DIFFRACTION ELEMENT SUITABLE FOR THE DEVICE, AND A METHOD OF MANUFACTURING THE DIFFRACTION ELEMENT AND THE OPTICAL HEAD DEVICE
摘要
申请公布号	KR100497586(B1)	申请公布日期	2005.07.01
申请号	KR20007003571	申请日期	2000.04.01
申请人		发明人
分类号	G02B5/18;(IPC1-7):G02B5/18	主分类号	G02B5/18
代理机构		代理人
主权项
地址

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