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发明名称
DISPOSITIF DE SOUTENEMENT DES PAROIS D'UNE TRANCHEE OU ANALOGUES
摘要
申请公布号
BE853479(A1)
申请公布日期
1977.08.01
申请号
BE19770176608
申请日期
1977.04.12
申请人
LUBE & KRINGS MASCHINEN- U. STAHLBAU O.H.G.
发明人
分类号
E02D17/08;(IPC1-7):E21D/
主分类号
E02D17/08
代理机构
代理人
主权项
地址
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