Improvements in and relating to potential changers,申请号GB19330026464-传众专利搜索

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发明名称	Improvements in and relating to potential changers
摘要
申请公布号	GB429671(A)	申请公布日期	1935.05.27
申请号	GB19330026464	申请日期	1933.09.26
申请人	P. R. MALLORY & CO., INCORPORATED	发明人
分类号	H02M7/62	主分类号	H02M7/62
代理机构		代理人
主权项
地址

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