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发明名称
Device for closing-off a pipe
摘要
申请公布号
GB0408484(D0)
申请公布日期
2004.05.19
申请号
GB20040008484
申请日期
2004.04.16
申请人
SMITH, MARTYN J
发明人
分类号
F16L55/12;F16L55/134
主分类号
F16L55/12
代理机构
代理人
主权项
地址
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