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发明名称
Testing device for acoustical logging system
摘要
申请公布号
US2944621(A)
申请公布日期
1960.07.12
申请号
US19560563579
申请日期
1956.02.06
申请人
TEXACO INC.
发明人
LOOFBOURROW ROBERT J.
分类号
G01V1/44;G01V13/00
主分类号
G01V1/44
代理机构
代理人
主权项
地址
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