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发明名称
Device for covering a manhole as well as a separating device for exposing manhole covers
摘要
申请公布号
EP1031663(A3)
申请公布日期
2000.09.27
申请号
EP20000103570
申请日期
2000.02.19
申请人
SCHWARZ, GOTTFRIED;SCHWARZ, WALTER;EBNER, EUGEN
发明人
SCHWARZ, GOTTFRIED;SCHWARZ, WALTER;EBNER, EUGEN
分类号
E02D29/14;(IPC1-7):E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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