Method of making tungsten filaments,申请号US19590830440-传众专利搜索

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发明名称	Method of making tungsten filaments
摘要
申请公布号	US3069584(A)	申请公布日期	1962.12.18
申请号	US19590830440	申请日期	1959.07.29
申请人	FRAZER JACK W	发明人	FRAZER JACK W.
分类号	C23C16/16;H01K3/02	主分类号	C23C16/16
代理机构		代理人
主权项
地址

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