MONITOR CIRCUIT FOR FREQUENCY SHIFT TELEGRAPH SIGNALING,申请号CAD721379-传众专利搜索

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发明名称	MONITOR CIRCUIT FOR FREQUENCY SHIFT TELEGRAPH SIGNALING
摘要
申请公布号	CA721379(A)	申请公布日期	1965.11.09
申请号	CAD721379	申请日期
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	CLARENCE J. VOTAW
分类号		主分类号
代理机构		代理人
主权项
地址

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