TUNGSTEN-BASE ALLOY AND FILAMENT,申请号CAD876650-传众专利搜索

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发明名称	TUNGSTEN-BASE ALLOY AND FILAMENT
摘要
申请公布号	CA876650(A)	申请公布日期	1971.07.27
申请号	CAD876650	申请日期
申请人	WESTINGHOUSE ELECTRIC CORPORATION	发明人	RONALD C. KOO
分类号		主分类号
代理机构		代理人
主权项
地址

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