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发明名称
PROCESSO E APARELHO PARA INVESTIGACAO DINAMICA DE UM FURO DE SONDAGEM
摘要
申请公布号
BR7801421(A)
申请公布日期
1978.10.03
申请号
BR19780001421
申请日期
1978.03.08
申请人
SCHLUMBERGER SURENCO SA
发明人
YNGRAM J
分类号
G01V1/46;G10K11/34;(IPC1-7):E21B47/12
主分类号
G01V1/46
代理机构
代理人
主权项
地址
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