Improvements in or relating to electric switches suitable for telephone systems,申请号GB19430016645-传众专利搜索

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发明名称	Improvements in or relating to electric switches suitable for telephone systems
摘要
申请公布号	GB565297(A)	申请公布日期	1944.11.03
申请号	GB19430016645	申请日期	1943.10.11
申请人	GENERAL CONTROL COMPANY	发明人
分类号	H01H21/50	主分类号	H01H21/50
代理机构		代理人
主权项
地址

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