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经营范围
发明名称
METHOD FOR OPERATING BLAST FURNACE
摘要
申请公布号
JPH02200709(A)
申请公布日期
1990.08.09
申请号
JP19890017708
申请日期
1989.01.30
申请人
NIPPON STEEL CORP
发明人
NAITO MASAAKI;YAMAGUCHI KAZUYOSHI;NISHI TORU;HAYASHI YOICHI
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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