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发明名称
METHOD OF HOT-ROLLING METAL PIECES
摘要
申请公布号
KR20010107959(A)
申请公布日期
2001.12.07
申请号
KR1020017005968
申请日期
2001.05.11
申请人
发明人
分类号
B21B1/26
主分类号
B21B1/26
代理机构
代理人
主权项
地址
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