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发明名称
STEEL BAR SEASON CRACK PREVENT PROCESS
摘要
申请公布号
JPS5365251(A)
申请公布日期
1978.06.10
申请号
JP19760141409
申请日期
1976.11.25
申请人
NIPPON STEEL CORP
发明人
INAZAKI KOUJI
分类号
B21C37/04;B21D31/00;C21D1/00;C21D6/00;C21D7/00
主分类号
B21C37/04
代理机构
代理人
主权项
地址
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