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经营范围
发明名称
Repairing pipelines and passageways
摘要
申请公布号
GB2249602(A)
申请公布日期
1992.05.13
申请号
GB19900017943
申请日期
1990.08.15
申请人
* INSITUFORM GROUP LIMITED
发明人
ERIC * WOOD
分类号
F16L55/162;F16L55/164;F16L55/165
主分类号
F16L55/162
代理机构
代理人
主权项
地址
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