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发明名称
Heat shield for drillship
摘要
申请公布号
KR200444362(Y1)
申请公布日期
2009.04.24
申请号
KR20080000535U
申请日期
2008.01.14
申请人
发明人
分类号
E21B43/00
主分类号
E21B43/00
代理机构
代理人
主权项
地址
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