Nickel-tungsten-aluminum alloy for cathode structure,申请号US19520284931-传众专利搜索

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发明名称	Nickel-tungsten-aluminum alloy for cathode structure
摘要
申请公布号	US2720458(A)	申请公布日期	1955.10.11
申请号	US19520284931	申请日期	1952.04.29
申请人	SYLVANIA ELECTRIC PRODUCTS INC.	发明人	KATES LEONARD W.
分类号	C22C19/03	主分类号	C22C19/03
代理机构		代理人
主权项
地址

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