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发明名称
SONDA PARA PERFILAGEM EM POCO
摘要
申请公布号
BR8602342(A)
申请公布日期
1987.01.21
申请号
BR1986PI02342
申请日期
1986.05.22
申请人
PRAD RESEARCH AND DEVELOPMENT N.V.
发明人
JACQUES M. HOLENKA
分类号
G01V5/12;(IPC1-7):E21B47/12
主分类号
G01V5/12
代理机构
代理人
主权项
地址
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