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发明名称
AGGREGAT VED EN HEJSEANORDNING, NAVNLIG TIL ET BORETAARN
摘要
申请公布号
DK51888(D0)
申请公布日期
1988.02.02
申请号
DK19880000518
申请日期
1988.02.02
申请人
BIRD TECHN AS
发明人
HERABAKKA, JACOB
分类号
E21B15/00;E21B19/08;E21B19/083;(IPC1-7):E21B15/00
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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