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发明名称
FREMGANGSMAATE OG INNRETNING FOR INSPEKSJON AV ET BOREHULL
摘要
申请公布号
NO833236(A)
申请公布日期
1984.03.12
申请号
NO19830003236
申请日期
1983.09.09
申请人
NL SPERRY-SUN, INC,
发明人
RUSSELL, ANTHONY WILLIAM,;RUSSELL, MICHAEL KING,
分类号
G01C9/00;E21B47/02;E21B47/022;G01C7/06;(IPC1-7):E21B/
主分类号
G01C9/00
代理机构
代理人
主权项
地址
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