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发明名称
MUFFSPAERR FOER EN SKARVSTAONGBORRNINGSANORDNING
摘要
申请公布号
FI822981(A0)
申请公布日期
1982.08.27
申请号
FI19820002981
申请日期
1982.08.27
申请人
OY TAMPELLA AB
发明人
LEPPAENEN, JARMO
分类号
E21B19/00;E21B19/16;(IPC1-7):E21C/
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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