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发明名称
Flatness maintenance apparatus of choke inside diameter
摘要
申请公布号
KR100507670(B1)
申请公布日期
2005.08.10
申请号
KR20000084921
申请日期
2000.12.29
申请人
发明人
分类号
B21B39/00;(IPC1-7):B21B39/00
主分类号
B21B39/00
代理机构
代理人
主权项
地址
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