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经营范围
发明名称
Pipe Replacement
摘要
申请公布号
GB2137719(A)
申请公布日期
1984.10.10
申请号
GB19840008312
申请日期
1984.03.30
申请人
P N * DALY LIMITED
发明人
PATRICK NOEL * DALY;BRIAN THOMAS * LILLIS;MICHAEL * JONES
分类号
E21B4/14;E21B7/30;F16L55/165;(IPC1-7):F16L1/00
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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