LINE SWITCHING SYSTEMS,申请号CAD619997-传众专利搜索

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发明名称	LINE SWITCHING SYSTEMS
摘要
申请公布号	CA619997(A)	申请公布日期	1961.05.09
申请号	CAD619997	申请日期
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	BRYCE BLAKELY, JR.
分类号		主分类号
代理机构		代理人
主权项
地址

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