Optical attenuator and its manufacture,申请号GB19970021801-传众专利搜索

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发明名称	Optical attenuator and its manufacture
摘要
申请公布号	GB9721801(D0)	申请公布日期	1997.12.17
申请号	GB19970021801	申请日期	1997.10.15
申请人	SAMSUNG ELECTRONICS CO LIMITED	发明人
分类号	G02B6/00;G02B6/02;G02B6/26	主分类号	G02B6/00
代理机构		代理人
主权项
地址

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