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发明名称
PROCESS FOR MANUFACTURING A STEEL PRODUCT
摘要
申请公布号
GB1556072(A)
申请公布日期
1979.11.21
申请号
GB19760050112
申请日期
1976.12.01
申请人
NIPPON STEEL CORP
发明人
分类号
B21B1/02;C21D7/13;(IPC1-7):B21B1/02
主分类号
B21B1/02
代理机构
代理人
主权项
地址
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