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发明名称
摘要
申请公布号
JPS5619455(B2)
申请公布日期
1981.05.07
申请号
JP19770042142
申请日期
1977.04.12
申请人
发明人
分类号
C21B7/00;F02C6/00;F02C7/00;F27D17/00
主分类号
C21B7/00
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代理人
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