OPTICAL CONTROL ELEMENT,申请号JP19970313271-传众专利搜索

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发明名称	OPTICAL CONTROL ELEMENT
摘要
申请公布号	JPH11142801(A)	申请公布日期	1999.05.28
申请号	JP19970313271	申请日期	1997.11.14
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	KAKIZUKA TAKAAKI;YAMANAKA TAKAYUKI;YOSHIKUNI YUZO
分类号	G02F1/025;(IPC1-7):G02F1/025	主分类号	G02F1/025
代理机构		代理人
主权项
地址

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