COMMUNICATION CIRCUIT MONITORING,申请号CAD821123-传众专利搜索

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发明名称	COMMUNICATION CIRCUIT MONITORING
摘要
申请公布号	CA821123(A)	申请公布日期	1969.08.19
申请号	CAD821123	申请日期
申请人	DIGITECH INC.	发明人	NORMAN E. PETERSON;ERNEST E. COURCHENE, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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