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发明名称
CLOSING DEVICE FOR MANHOLES
摘要
The present invention concerns a closing device for manholes/traps and the like, comprising a frame and a cover associated with the frame. Said device comprises mutual thrusting means between the cover and the frame.
申请公布号
EP2372028(B1)
申请公布日期
2017.03.22
申请号
EP20110002561
申请日期
2011.03.29
申请人
EDIL CENTRO S.R.L.
发明人
Celadon, Giampietro
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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