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发明名称
METHOD OF DIVIDED STEEL TAPPING IN CONVERTER
摘要
申请公布号
JPH01201412(A)
申请公布日期
1989.08.14
申请号
JP19880026772
申请日期
1988.02.08
申请人
NKK CORP
发明人
KAWASHIMA KAZUTOSHI;NAKAJIMA HIROHISA
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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