CROSS-BAR IMPULSE RESPONSIVE TELEPHONE SWITCHING APPARATUS,申请号CAD565675-传众专利搜索

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发明名称	CROSS-BAR IMPULSE RESPONSIVE TELEPHONE SWITCHING APPARATUS
摘要
申请公布号	CA565675(A)	申请公布日期	1958.11.04
申请号	CAD565675	申请日期
申请人	NORTHERN ELECTRIC COMPANY	发明人	KENNETH W. GRAYBILL;HANS SENGEBUSCH
分类号		主分类号
代理机构		代理人
主权项
地址

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