Improvements concerned with the speed control of induction motors,申请号GB19520022514-传众专利搜索

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发明名称	Improvements concerned with the speed control of induction motors
摘要
申请公布号	GB733867(A)	申请公布日期	1955.07.20
申请号	GB19520022514	申请日期	1952.09.08
申请人	BENNO SCHWARZ	发明人
分类号	B66C13/26	主分类号	B66C13/26
代理机构		代理人
主权项
地址

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