Electronic switching system,申请号US19550492069-传众专利搜索

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发明名称	Electronic switching system
摘要
申请公布号	US2830125(A)	申请公布日期	1958.04.08
申请号	US19550492069	申请日期	1955.03.04
申请人	GENERAL DYNAMICS CORPORATION	发明人	ELLIOTT GEORGE
分类号	H04Q3/52	主分类号	H04Q3/52
代理机构		代理人
主权项
地址

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