Method for adding nitrogen to molten metals,申请号US19630273676-传众专利搜索

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发明名称	Method for adding nitrogen to molten metals
摘要
申请公布号	US3257197(A)	申请公布日期	1966.06.21
申请号	US19630273676	申请日期	1963.04.17
申请人	UNION CARBIDE CORPORATION	发明人	DEATH FRANK S.;HAID DAVID A.
分类号	C21C5/52;C21C7/00	主分类号	C21C5/52
代理机构		代理人
主权项
地址

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