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发明名称
OPPTREKKS- ELLER FISKEVERKTOEY.
摘要
申请公布号
NO157911(C)
申请公布日期
1988.06.08
申请号
NO19860000118
申请日期
1986.01.15
申请人
MOE, KNUT;PEDERSEN, PEDER
发明人
MOE, KNUT;PEDERSEN, PEDER
分类号
E21B;E21B31/12;(IPC1-7):E21B31/12
主分类号
E21B
代理机构
代理人
主权项
地址
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