POLYPHASE ALTERNATING CURRENT FREQUENCY CHANGER,申请号GB19690039585-传众专利搜索

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发明名称	POLYPHASE ALTERNATING CURRENT FREQUENCY CHANGER
摘要
申请公布号	GB1270136(A)	申请公布日期	1972.04.12
申请号	GB19690039585	申请日期	1969.08.07
申请人	NICHOLAS CHARL DE VILLIERS	发明人	NICHOLAS CHARL DE VILLIERS
分类号	H02M5/27;H02P27/06	主分类号	H02M5/27
代理机构		代理人
主权项
地址

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