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发明名称
Koplingsanordning
摘要
申请公布号
NO982438(D0)
申请公布日期
1998.05.28
申请号
NO19980002438
申请日期
1998.05.28
申请人
TRONIC LTD
发明人
NICHOLSON, JOSEPH ALLAN
分类号
E21B;E21B33/03;E21B33/038;H01R13/631;(IPC1-7):E21B
主分类号
E21B
代理机构
代理人
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地址
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