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发明名称
IMPROVEMENTS RELATING TO THE LINING OF PIPELINES AND PASSAGEWAYS
摘要
申请公布号
GB9208030(D0)
申请公布日期
1992.05.27
申请号
GB19920008030
申请日期
1992.04.10
申请人
INSITUFORM GROUP LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
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