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发明名称
APPARAT TIL MAALING AV BOREROER.
摘要
申请公布号
NO882968(A)
申请公布日期
1990.01.05
申请号
NO19880002968
申请日期
1988.07.04
申请人
TAKSDAL, TORE;AAKRE, TORBJOERN
发明人
TAKSDAL, TORE;AAKRE, TORBJOERN
分类号
E21B44/00;E21B47/00;G01B;G01B17/00;(IPC1-7):E21B47/00
主分类号
E21B44/00
代理机构
代理人
主权项
地址
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