OPTICAL AMPLIFYING DEVICE,申请号JP19890169757-传众专利搜索

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发明名称	OPTICAL AMPLIFYING DEVICE
摘要
申请公布号	JPH0335224(A)	申请公布日期	1991.02.15
申请号	JP19890169757	申请日期	1989.07.03
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	INOUE YASUSHI
分类号	G02F1/35	主分类号	G02F1/35
代理机构		代理人
主权项
地址

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