Improvements in or relating to electrical speed-regulating apparatus,申请号GB19290001342-传众专利搜索

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发明名称	Improvements in or relating to electrical speed-regulating apparatus
摘要
申请公布号	GB328036(A)	申请公布日期	1930.04.14
申请号	GB19290001342	申请日期	1929.01.14
申请人	N.V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H02P5/52	主分类号	H02P5/52
代理机构		代理人
主权项
地址

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