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发明名称
Verankerungseinrichtung zum Festhalten eines Packers in beiden Richtungen in einer Sondenverrohrung
摘要
申请公布号
DE1142145(B)
申请公布日期
1963.01.10
申请号
DE1959B052840
申请日期
1959.04.15
申请人
BAKER OIL TOOLS, INC.
发明人
CONRAD MARTIN BARCLEY
分类号
E21B33/129
主分类号
E21B33/129
代理机构
代理人
主权项
地址
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