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发明名称
STENBORR.
摘要
申请公布号
FI841256(A)
申请公布日期
1984.10.06
申请号
FI19840001256
申请日期
1984.03.29
申请人
SANTRADE LIMITED
发明人
TUNELL, LARS-ERIK
分类号
E21B10/52;E21B10/56;(IPC1-7):E21B/
主分类号
E21B10/52
代理机构
代理人
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地址
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