OPTICAL DEVICE AND ITS PRODUCTION,申请号JP19910265183-传众专利搜索

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发明名称	OPTICAL DEVICE AND ITS PRODUCTION
摘要
申请公布号	JPH0572578(A)	申请公布日期	1993.03.26
申请号	JP19910265183	申请日期	1991.09.17
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	YANAGAWA TSUTOMU;NAKANO HIDETOSHI;ISHIDA YUZO;IKETA KAZUHIRO;SASAKI YUTAKA
分类号	G02B1/00;G02F1/35;H01S3/108	主分类号	G02B1/00
代理机构		代理人
主权项
地址

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