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经营范围
发明名称
BORRSKAER.
摘要
申请公布号
FI87389(B)
申请公布日期
1992.09.15
申请号
FI19860001440
申请日期
1986.04.03
申请人
SANTRADE LIMITED
发明人
LILJEBRAND, SVEN PER-OLOF;LILJEKVIST, BERNT SOEREN
分类号
E21B10/60;E21B7/20;E21B10/38;(IPC1-7):E21B10/38
主分类号
E21B10/60
代理机构
代理人
主权项
地址
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