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发明名称
FONTE SISMICA ELETROMAGNETICA DE DESCIDA NO POCO
摘要
申请公布号
BR8706212(A)
申请公布日期
1988.02.23
申请号
BR19870006212
申请日期
1987.03.18
申请人
CHEVRON RESEARCH COMPANY
发明人
BJORN N.P. PAULSSON
分类号
G01V1/143;E21B23/01;G01V1/06;G01V1/155;G01V1/38;G01V1/40;G01V11/00;(IPC1-7):G01V1/06
主分类号
G01V1/143
代理机构
代理人
主权项
地址
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