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发明名称
INNRETNING VED EN HEISEANORDNING, SPESIELT FOR ET BORETAARN
摘要
申请公布号
NO862202(A)
申请公布日期
1987.12.04
申请号
NO19860002202
申请日期
1986.06.03
申请人
BIRD TECHNOLOGY A/S
发明人
HERABAKKA, JACOB
分类号
E21B15/00;E21B19/08;E21B19/083;(IPC1-7):E21B/
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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