Procédé de traitement des bains de fer dans les convertisseurs bessemer et thomas,en vue d'éviter l'élévation de la teneur en azote,申请号FRD1011652-传众专利搜索

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发明名称	Procédé de traitement des bains de fer dans les convertisseurs bessemer et thomas,en vue d'éviter l'élévation de la teneur en azote
摘要
申请公布号	FR1011652(A)	申请公布日期	1952.06.25
申请号	FRD1011652	申请日期	1949.02.25
申请人	HU:TTENWERK HASPE A. G.	发明人
分类号	C21C5/34	主分类号	C21C5/34
代理机构		代理人
主权项
地址

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