Snuffing blast furnaces,申请号US19600038427-传众专利搜索

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发明名称	Snuffing blast furnaces
摘要
申请公布号	US3099551(A)	申请公布日期	1963.07.30
申请号	US19600038427	申请日期	1960.06.24
申请人	NATIONAL STEEL CORPORATION	发明人	MACDONALD ALEXANDER J.
分类号	C21B5/00	主分类号	C21B5/00
代理机构		代理人
主权项
地址

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