Three phase, pole-changing rotary electric machines,申请号US19620187249-传众专利搜索

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发明名称	Three phase, pole-changing rotary electric machines
摘要
申请公布号	US3175144(A)	申请公布日期	1965.03.23
申请号	US19620187249	申请日期	1962.04.13
申请人	NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	RAWCLIFFE GORDON HINDLE
分类号	H02K3/28	主分类号	H02K3/28
代理机构		代理人
主权项
地址

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