Combined fire and police alarm system,申请号US19310525510-传众专利搜索

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法人/股东/高管

发明名称	Combined fire and police alarm system
摘要
申请公布号	US1921615(A)	申请公布日期	1933.08.08
申请号	US19310525510	申请日期	1931.03.26
申请人	LINNIE GARL	发明人	GARL LINNIE
分类号	H04M11/04	主分类号	H04M11/04
代理机构		代理人
主权项
地址

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