Radio alarm system,申请号US19300500391-传众专利搜索

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发明名称	Radio alarm system
摘要
申请公布号	US1872257(A)	申请公布日期	1932.08.16
申请号	US19300500391	申请日期	1930.12.05
申请人	DURKEE JAMES D	发明人	DURKEE JAMES D.
分类号	G08B27/00	主分类号	G08B27/00
代理机构		代理人
主权项
地址

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