System for monitoring condition changes in a switching device,申请号US19640384467-传众专利搜索

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发明名称	System for monitoring condition changes in a switching device
摘要
申请公布号	US3252083(A)	申请公布日期	1966.05.17
申请号	US19640384467	申请日期	1964.07.22
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	WAGAR HAROLD N.
分类号	H01H47/00;H04Q1/20	主分类号	H01H47/00
代理机构		代理人
主权项
地址

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