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发明名称
Pipe end fittings
摘要
申请公布号
GB0029536(D0)
申请公布日期
2001.01.17
申请号
GB20000029536
申请日期
2000.12.04
申请人
BREWIS, RODERICK C
发明人
分类号
E21B7/20;F16L55/136
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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