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发明名称
DISPOSITIF DE REHABILITATION IN SITU DE CANALISATIONS ET DE CONDUITS NON VISITABLES DE L'INTERIEUR ET MUNIS, NOTAMMENT D'UN REGARD UNIQUE.
摘要
申请公布号
FR2656913(B1)
申请公布日期
1992.04.30
申请号
FR19900000195
申请日期
1990.01.05
申请人
FREY ANDRE
发明人
FREY ANDRE
分类号
F16L55/1645;(IPC1-7):F16L57/00
主分类号
F16L55/1645
代理机构
代理人
主权项
地址
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