Fuse alarm systems,申请号US19560588106-传众专利搜索

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发明名称	Fuse alarm systems
摘要
申请公布号	US2821697(A)	申请公布日期	1958.01.28
申请号	US19560588106	申请日期	1956.05.29
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	MINKS FLOYD A.
分类号	H04M3/40	主分类号	H04M3/40
代理机构		代理人
主权项
地址

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