Improvements in electric switches,申请号GB19290010724-传众专利搜索

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发明名称	Improvements in electric switches
摘要
申请公布号	GB332973(A)	申请公布日期	1930.08.14
申请号	GB19290010724	申请日期	1930.01.01
申请人	WILLIAM VINCENT BUTTERFIELD;WALTER EDWARD EVANS;ARTHUR WILLIAM BUTTERFIELD;SAMUEL BUTTERFIELD	发明人
分类号	H01H23/14	主分类号	H01H23/14
代理机构		代理人
主权项
地址

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