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发明名称
IN SITU METHOD OF RENEWING PIPES LAID IN THE GROUND
摘要
申请公布号
EP0758437(A1)
申请公布日期
1997.02.19
申请号
EP19960905785
申请日期
1996.02.23
申请人
TOEPLER, WERNER
发明人
TOEPLER, WERNER
分类号
F16L55/165;(IPC1-7):F16L55/165;E21B7/30
主分类号
F16L55/165
代理机构
代理人
主权项
地址
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