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发明名称
Apparatus for Releasing Rack Chock of Jack-up Rig
摘要
申请公布号
KR100751593(B1)
申请公布日期
2007.08.22
申请号
KR20010026254
申请日期
2001.05.14
申请人
发明人
分类号
E21B7/12
主分类号
E21B7/12
代理机构
代理人
主权项
地址
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