CURRENT NARROWING TYPE SEMICONDUCTOR LASER,申请号JP19890018089-传众专利搜索

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发明名称	CURRENT NARROWING TYPE SEMICONDUCTOR LASER
摘要
申请公布号	JPH02199890(A)	申请公布日期	1990.08.08
申请号	JP19890018089	申请日期	1989.01.28
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	SEKI SHUNJI;TAMAMURA TOSHIAKI;KURUMADA KATSUHIKO
分类号	H01S5/00;H01S5/22;H01S5/227	主分类号	H01S5/00
代理机构		代理人
主权项
地址

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