Apparatus for converting alternating electric current into alternating current of lower frequency,申请号GB19330003605-传众专利搜索

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发明名称	Apparatus for converting alternating electric current into alternating current of lower frequency
摘要
申请公布号	GB401920(A)	申请公布日期	1933.11.23
申请号	GB19330003605	申请日期	1933.02.06
申请人	ATELIERS DE CONSTRUCTIONS ELECTRIQUES DE CHARLEROI	发明人
分类号	H02M5/447	主分类号	H02M5/447
代理机构		代理人
主权项
地址

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