Direct-current generator,申请号US19340735182-传众专利搜索

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发明名称	Direct-current generator
摘要
申请公布号	US2080388(A)	申请公布日期	1937.05.11
申请号	US19340735182	申请日期	1934.07.14
申请人	GEORG ULLRICH	发明人	LANGKAU HELMUT EMIL JOHANNES
分类号	H02K23/46	主分类号	H02K23/46
代理机构		代理人
主权项
地址

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