Electric valve converting apparatus,申请号US19380234448-传众专利搜索

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发明名称	Electric valve converting apparatus
摘要
申请公布号	US2236254(A)	申请公布日期	1941.03.25
申请号	US19380234448	申请日期	1938.10.11
申请人	GENERAL ELECTRIC COMPANY	发明人	WILLIS CLODIUS H.
分类号	H02M1/14;H02M7/15	主分类号	H02M1/14
代理机构		代理人
主权项
地址

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