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发明名称
BOREADAPTER
摘要
申请公布号
DK626786(D0)
申请公布日期
1986.12.23
申请号
DK19860006267
申请日期
1986.12.23
申请人
VANCURA VLADIMIR
发明人
VANCURA VLADIMIR
分类号
E21B10/26;E21B;E21B10/32;E21B10/38;E21B10/40;(IPC1-7):E21B/
主分类号
E21B10/26
代理机构
代理人
主权项
地址
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