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发明名称
PROCESS FOR RECONSTRUCTING UNDERGROUND PIPES
摘要
申请公布号
GB9115084(D0)
申请公布日期
1991.08.28
申请号
GB19910015084
申请日期
1991.07.11
申请人
INFLOTECH LIMITED
发明人
分类号
F16L55/165
主分类号
F16L55/165
代理机构
代理人
主权项
地址
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