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发明名称
Tubing expansion
摘要
申请公布号
GB0404233(D0)
申请公布日期
2004.03.31
申请号
GB20040004233
申请日期
2004.02.26
申请人
WEATHERFORD/LAMB INC.
发明人
分类号
B21D39/20;E21B43/10
主分类号
B21D39/20
代理机构
代理人
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