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发明名称
AN ACOUSTIC TRANSDUCER FOR A BOREHOLE LOGGING TOOL
摘要
申请公布号
EP0246773(A3)
申请公布日期
1989.07.05
申请号
EP19870303865
申请日期
1987.04.30
申请人
MOBIL OIL CORPORATION
发明人
SIMS, CLAUDE CAMPBELL
分类号
B06B1/06;G01V1/52;(IPC1-7):G01V1/40
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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