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发明名称
摘要
申请公布号
DE4014119(C1)
申请公布日期
1991.06.20
申请号
DE19904014119
申请日期
1990.05.02
申请人
TERRA AG FUER TIEFBAUTECHNIK, STRENGELBACH, CH
发明人
JENNE, DIETMAR, DIPL.-ING., STRENGELBACH, CH
分类号
E02D7/10;E21B4/14
主分类号
E02D7/10
代理机构
代理人
主权项
地址
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