Approach detection by highfrequency radiation,申请号US19500166468-传众专利搜索

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发明名称	Approach detection by highfrequency radiation
摘要
申请公布号	US2646559(A)	申请公布日期	1953.07.21
申请号	US19500166468	申请日期	1950.06.06
申请人	ADOLF NUTZLER PAUL GUSTAV	发明人	NUTZLER PAUL GUSTAV ADOLF
分类号	G08B13/24	主分类号	G08B13/24
代理机构		代理人
主权项
地址

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