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经营范围
发明名称
METHOD FOR REMOVING METAL STUCK TO FURNACE OPENING PART IN CONVERTER
摘要
申请公布号
JPH01201414(A)
申请公布日期
1989.08.14
申请号
JP19880026771
申请日期
1988.02.08
申请人
NKK CORP
发明人
HARADA SHOJI;KAWASHIMA KAZUTOSHI
分类号
C21C5/46
主分类号
C21C5/46
代理机构
代理人
主权项
地址
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