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发明名称
DEVICE FOR ELIMINATING OXIDIZED SCALE OF STEEL INGOT SURFACE AND METHOD THEREFOR
摘要
申请公布号
KR20110109251(A)
申请公布日期
2011.10.06
申请号
KR20100028895
申请日期
2010.03.31
申请人
HYUNDAI STEEL COMPANY
发明人
OH, TAE WOOK;RHEE, HYUN JAE
分类号
B21B45/04
主分类号
B21B45/04
代理机构
代理人
主权项
地址
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Türdichtung
Field plate trench transistor and production process has isolated field electrode structure connected to a voltage divider to set its potential between those of source and drain or gate and drain