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发明名称
BOHRGERÄT
摘要
申请公布号
DE69314806(D1)
申请公布日期
1997.11.27
申请号
DE19936014806
申请日期
1993.12.01
申请人
JARVELA, JORMA, TAMPERE, FI;JARVELA, VESA, ESPOO, FI
发明人
JARVELA, JORMA, TAMPERE, FI;JARVELA, VESA, ESPOO, FI
分类号
E21B10/26;E21B7/20;E21B10/38;E21B10/40;E21B10/64;(IPC1-7):E21B10/64
主分类号
E21B10/26
代理机构
代理人
主权项
地址
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