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发明名称
PASSIVE BLOWOUT PREVENTION APPARATUS
摘要
申请公布号
KR20130089460(A)
申请公布日期
2013.08.12
申请号
KR20120010841
申请日期
2012.02.02
申请人
SAMSUNG HEAVY IND. CO., LTD.
发明人
LEE, HEE WON
分类号
E21B33/06;E21B33/126
主分类号
E21B33/06
代理机构
代理人
主权项
地址
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