Preparation of rare refractory metal powders by electrolysis,申请号US19280316624-传众专利搜索

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发明名称	Preparation of rare refractory metal powders by electrolysis
摘要
申请公布号	US1874090(A)	申请公布日期	1932.08.30
申请号	US19280316624	申请日期	1928.11.01
申请人	WESTINGHOUSE LAMP COMPANY	发明人	DRIGGS FRANK H.
分类号	C25C5/04	主分类号	C25C5/04
代理机构		代理人
主权项
地址

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