,申请号FR19710011377-传众专利搜索

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发明名称
摘要
申请公布号	FR2092580(A5)	申请公布日期	1972.01.21
申请号	FR19710011377	申请日期	1971.03.31
申请人	RESEARCH FRONTIERS INC	发明人
分类号	G02F1/17;(IPC1-7):G02F1/00	主分类号	G02F1/17
代理机构		代理人
主权项
地址

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