Commutation means and a method of commutation,申请号US19410424272-传众专利搜索

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发明名称	Commutation means and a method of commutation
摘要
申请公布号	US2358926(A)	申请公布日期	1944.09.26
申请号	US19410424272	申请日期	1941.12.24
申请人	HANSEN KLAUS L	发明人	HANSEN KLAUS L.
分类号	H02M1/22	主分类号	H02M1/22
代理机构		代理人
主权项
地址

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