Transformer control circuit,申请号US19460682490-传众专利搜索

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发明名称	Transformer control circuit
摘要
申请公布号	US2489697(A)	申请公布日期	1949.11.29
申请号	US19460682490	申请日期	1946.07.10
申请人	THOMSON ELECTRIC WELDER, CO.	发明人	JR. FRANCIS L. BRANDT,
分类号	B23K11/24	主分类号	B23K11/24
代理机构		代理人
主权项
地址

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