ACCESSORY FOR TELEPHONE ANSWERING SYSTEM,申请号USD3471643-传众专利搜索

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发明名称	ACCESSORY FOR TELEPHONE ANSWERING SYSTEM
摘要
申请公布号	US3471643(A)	申请公布日期	1969.10.07
申请号	USD3471643	申请日期	1965.11.03
申请人	PHONEMASTER INC.	发明人	JAMES R. OWEN
分类号	H04M1/654;(IPC1-7):H04M1/00	主分类号	H04M1/654
代理机构		代理人
主权项
地址

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