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发明名称
PRODUCTION OF STRUCTURAL STEEL STOCK EXCELLENT IN FIRE RESISTING STRENGTH
摘要
申请公布号
JPH03100118(A)
申请公布日期
1991.04.25
申请号
JP19890234783
申请日期
1989.09.12
申请人
NIPPON STEEL CORP
发明人
TSUCHIDA YUTAKA;YAMABA RYOTA
分类号
C21D8/00
主分类号
C21D8/00
代理机构
代理人
主权项
地址
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