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发明名称
Debris catcher for collecting well debris
摘要
申请公布号
AU2010201076(B2)
申请公布日期
2011.11.10
申请号
AU20100201076
申请日期
2010.03.19
申请人
SMITH INTERNATIONAL, INC.
发明人
FISHBECK, CRAIG;WOLF, JOHN C.
分类号
E21B27/00;E21B21/07
主分类号
E21B27/00
代理机构
代理人
主权项
地址
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