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发明名称
Inflatable packer
摘要
申请公布号
GB2483856(A)
申请公布日期
2012.03.28
申请号
GB20100015792
申请日期
2010.09.21
申请人
CALEDYNE LIMITED
发明人
ROLAND MARCEL VAN DORT
分类号
E21B33/127;E21B33/12
主分类号
E21B33/127
代理机构
代理人
主权项
地址
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