COLUMN SPRING SWITCHES,申请号CAD478878-传众专利搜索

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发明名称	COLUMN SPRING SWITCHES
摘要
申请公布号	CA478878(A)	申请公布日期	1951.11.27
申请号	CAD478878	申请日期
申请人	CANADIAN GENERAL ELECTRIC COMPANY	发明人	DAVID L. CLARK
分类号		主分类号
代理机构		代理人
主权项
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