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发明名称
REFINING METHOD BY CONVERTER USING OXYGEN-LESS MIDDLE PURITY GASEOUS ARGON
摘要
申请公布号
JPH04107205(A)
申请公布日期
1992.04.08
申请号
JP19900223572
申请日期
1990.08.24
申请人
NKK CORP
发明人
IINO YOSHITSUGU;HASEGAWA TERUYUKI;FUKUSHIMA SHINICHIRO;KOBAYASHI KOJI;KOBAYASHI SHUJI;FUJII SHIRO
分类号
C21C5/30
主分类号
C21C5/30
代理机构
代理人
主权项
地址
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