Improvements in or relating to power supply apparatus,申请号GB19380031952-传众专利搜索

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发明名称	Improvements in or relating to power supply apparatus
摘要
申请公布号	GB520949(A)	申请公布日期	1940.05.08
申请号	GB19380031952	申请日期	1938.11.04
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人
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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