LINE CIRCUIT SCANNER FOR ELECTRONIC TELEPHONE SYSTEMS,申请号USD3524933-传众专利搜索

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发明名称	LINE CIRCUIT SCANNER FOR ELECTRONIC TELEPHONE SYSTEMS
摘要
申请公布号	US3524933(A)	申请公布日期	1970.08.18
申请号	USD3524933	申请日期	1967.09.14
申请人	AUTOMATIC ELECTRIC LAB. INC.	发明人	FRANK A. RISKY
分类号	H04Q3/54;(IPC1-7):H04Q3/42	主分类号	H04Q3/54
代理机构		代理人
主权项
地址

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