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发明名称
ACOUSTRIC LOGGING SYSTEM UTILIZING FIRST HALF-CYCLE OF RECEIVED SIGNAL
摘要
申请公布号
US3585580(A)
申请公布日期
1971.06.15
申请号
USD3585580
申请日期
1965.12.13
申请人
SHELL OIL CO.
发明人
CHARLES B. VOGEL
分类号
G01V1/24;G01V1/44;G01V1/48;(IPC1-7):G01V1/40
主分类号
G01V1/24
代理机构
代理人
主权项
地址
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