TELEPHONE ANSWERING AND RECORDING DEVICES,申请号CAD618848-传众专利搜索

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发明名称	TELEPHONE ANSWERING AND RECORDING DEVICES
摘要
申请公布号	CA618848(A)	申请公布日期	1961.04.25
申请号	CAD618848	申请日期
申请人	JAMES C. BRYAN	发明人	JOHN J. SHIVELY;PAUL C. BAILEY;HARRY R. VAN DEVENTER
分类号		主分类号
代理机构		代理人
主权项
地址

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