MICROPHONE FEED CIRCUIT,申请号CAD861629-传众专利搜索

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发明名称	MICROPHONE FEED CIRCUIT
摘要
申请公布号	CA861629(A)	申请公布日期	1971.01.19
申请号	CAD861629	申请日期
申请人	INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION	发明人	JOHN M. GODFREY
分类号		主分类号
代理机构		代理人
主权项
地址

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