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发明名称
APARATO ACUSTICO DE REGISTRO DE POZOS
摘要
申请公布号
AR212069(A1)
申请公布日期
1978.05.15
申请号
AR19780246120
申请日期
1978.01.15
申请人
PETROLEUM RES & DEV CORP
发明人
分类号
G01V1/44;G01V1/48;(IPC1-7):E21B47/00
主分类号
G01V1/44
代理机构
代理人
主权项
地址
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