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发明名称
ROHRARTIGE KONSTRUKTION AUS BANDFOERMIGEM MATERIAL ZUR BE- UND ENTWAESSERUNG DES BODENS SOWIE ZUR ENTWAESSERUNG DES BAUGRUNDES
摘要
申请公布号
DD289072(A5)
申请公布日期
1991.04.18
申请号
DD19890334509
申请日期
1989.11.13
申请人
VEB KOMBINAT TIEFBAU BERLIN,DE
发明人
HOENNICKE,ULRICH,DE;BROSCHE,ERHARD,DE
分类号
E02B11/00;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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