Alternating current system,申请号US19460665655-传众专利搜索

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发明名称	Alternating current system
摘要
申请公布号	US2445897(A)	申请公布日期	1948.07.27
申请号	US19460665655	申请日期	1946.04.29
申请人	WALSH PHILIP J	发明人	WALSH PHILIP J.
分类号	H02M7/02	主分类号	H02M7/02
代理机构		代理人
主权项
地址

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