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发明名称
IMPROVEMENTS RELATING TO THE RENOVATION OF CONDUITS
摘要
申请公布号
GB9312191(D0)
申请公布日期
1993.07.28
申请号
GB19930012191
申请日期
1993.06.12
申请人
INSITUFORM TECHNOLOGIES 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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