DEVICE FOR PRODUCING OPTICAL COUPLER,申请号JP19890309829-传众专利搜索

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发明名称	DEVICE FOR PRODUCING OPTICAL COUPLER
摘要
申请公布号	JPH03168710(A)	申请公布日期	1991.07.22
申请号	JP19890309829	申请日期	1989.11.29
申请人	SUMITOMO ELECTRIC IND LTD;NIPPON TELEGR & TELEPH CORP <NTT>;SUMIDEN OPUKOMU KK	发明人	FUKUMA MASUMI;TOMITA NOBUO;ARIMOTO KAZUHIKO
分类号	G02B6/28	主分类号	G02B6/28
代理机构		代理人
主权项
地址

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