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发明名称
SECURING TUBULAR MEMBERS TOGETHER
摘要
申请公布号
GB2032561(B)
申请公布日期
1983.04.27
申请号
GB19790034161
申请日期
1979.10.02
申请人
STANDARD OIL CO
发明人
分类号
B63B21/50;E21B33/038;(IPC1-7):F16L37/24
主分类号
B63B21/50
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代理人
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