Expandable printed circuit crosspoint switching network,申请号US19630267616-传众专利搜索

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发明名称	Expandable printed circuit crosspoint switching network
摘要
申请公布号	US3291914(A)	申请公布日期	1966.12.13
申请号	US19630267616	申请日期	1963.03.25
申请人		发明人
分类号	H03K19/177;H04M3/36;H04Q3/52	主分类号	H03K19/177
代理机构		代理人
主权项
地址

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