Systèmes et équipements automatiques de télécommunication,申请号FRD57210-传众专利搜索

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发明名称	Systèmes et équipements automatiques de télécommunication
摘要
申请公布号	FR57210(E)	申请公布日期	1952.12.23
申请号	FRD57210	申请日期	1947.06.14
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	HARTLEY GEORGE CLIFFORD;REYNOLDS WILLIAM JOHN
分类号	H04Q1/442;H04Q3/00;H04Q3/42	主分类号	H04Q1/442
代理机构		代理人
主权项
地址

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