Способ прямого восстановления железных руд в камерных печах,申请号SU19400302589-传众专利搜索

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发明名称	Способ прямого восстановления железных руд в камерных печах
摘要
申请公布号	SU82168(A1)	申请公布日期	1949.11.30
申请号	SU19400302589	申请日期	1940.07.20
申请人	STOGNIJ N.I.	发明人	STOGNIJ N.I.
分类号	C21B13/04	主分类号	C21B13/04
代理机构		代理人
主权项
地址

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