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发明名称
ETANCON DE MINE HYDRAULIQUE
摘要
申请公布号
FR2323866(A1)
申请公布日期
1977.04.08
申请号
FR19760026709
申请日期
1976.09.03
申请人
VEREINIGTE OSTERREICHISCHE EISEN
发明人
SIEGFRIED SIGOTT, HEINRICH SUSSENBECK, GOTTFRIED SIEBENHOFER ET ALFRED ZITZ;SUSSENBECK HEINRICH;SIEBENHOFER GOTTFRIED;ZITZ ALFRED
分类号
E21D23/04;E21D15/44;E21D23/16;(IPC1-7):E21D15/44
主分类号
E21D23/04
代理机构
代理人
主权项
地址
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