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发明名称
CALIBRATION OF AN INSTRUMENT FOR THE COLD-ROLLING OF TUBES
摘要
申请公布号
KR20010034528(A)
申请公布日期
2001.04.25
申请号
KR1020007009266
申请日期
2000.08.22
申请人
发明人
分类号
B21B21/02
主分类号
B21B21/02
代理机构
代理人
主权项
地址
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