Group alarm communication circuit,申请号US19560626758-传众专利搜索

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发明名称	Group alarm communication circuit
摘要
申请公布号	US2876293(A)	申请公布日期	1959.03.03
申请号	US19560626758	申请日期	1956.12.06
申请人	GENERAL DYNAMICS CORPORATION	发明人	WESTON JOSEPH P.
分类号	G08B27/00;H04M5/04	主分类号	G08B27/00
代理机构		代理人
主权项
地址

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