Surface blowing process for making steel,申请号US19560588762-传众专利搜索

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发明名称	Surface blowing process for making steel
摘要
申请公布号	US2900249(A)	申请公布日期	1959.08.18
申请号	US19560588762	申请日期	1956.06.01
申请人	UNITED STATES STEEL CORPORATION	发明人	KERLIE WALTER L.
分类号	C21C5/32	主分类号	C21C5/32
代理机构		代理人
主权项
地址

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