Improvements in or relating to electromagnetic step-by-step switches,申请号GB19300030844-传众专利搜索

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发明名称	Improvements in or relating to electromagnetic step-by-step switches
摘要
申请公布号	GB358293(A)	申请公布日期	1931.10.08
申请号	GB19300030844	申请日期	1930.10.15
申请人	COVENTRY AUTOMATIC TELEPHONES LIMITED;CHARLES CLARKE PUCKETTE	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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