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发明名称
RAW MATERIAL CHARGING DEVICE IN THE TOP PART OF A BLAST FURNACE
摘要
申请公布号
CA690753(A)
申请公布日期
1964.07.14
申请号
CAD690753
申请日期
申请人
YAWATA IRON AND STEEL CO.
发明人
KEIJI TSUJIHATA;YASUHIRO SAWADA
分类号
主分类号
代理机构
代理人
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