Improvements in or relating to switching mechanisms such as used in automatic telephone systems,申请号GB19280030920-传众专利搜索

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发明名称	Improvements in or relating to switching mechanisms such as used in automatic telephone systems
摘要
申请公布号	GB324387(A)	申请公布日期	1930.01.27
申请号	GB19280030920	申请日期	1928.10.25
申请人	KAREL MARCEL SANO	发明人
分类号	H01H67/06	主分类号	H01H67/06
代理机构		代理人
主权项
地址

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