Commande de changeur de fréquence,申请号FRD1021430-传众专利搜索

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发明名称	Commande de changeur de fréquence
摘要
申请公布号	FR1021430(A)	申请公布日期	1953.02.18
申请号	FRD1021430	申请日期	1950.06.29
申请人	WESTINGHOUSE ELECTRIC CORPORATION	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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