Element for use in optical multiplexer or de-multiplexer,申请号GB19790003315-传众专利搜索

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发明名称	Element for use in optical multiplexer or de-multiplexer
摘要
申请公布号	GB2014752(A)	申请公布日期	1979.08.30
申请号	GB19790003315	申请日期	1979.01.31
申请人	NIPPON TELEGRAPH & TELEPHONE PUBLIC CORP	发明人
分类号	G02B6/34;(IPC1-7):G02B27/14	主分类号	G02B6/34
代理机构		代理人
主权项
地址

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