ELECTRIC SIGNALLING SYSTEMS,申请号CAD530260-传众专利搜索

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发明名称	ELECTRIC SIGNALLING SYSTEMS
摘要
申请公布号	CA530260(A)	申请公布日期	1956.09.11
申请号	CAD530260	申请日期
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	HUGH J. WARD;HAROLD M. M. D'ASSIS FONSECA
分类号		主分类号
代理机构		代理人
主权项
地址

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