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发明名称
RAMMBOHRGERAET
摘要
申请公布号
DE3708763(A1)
申请公布日期
1987.11.12
申请号
DE19873708763
申请日期
1987.03.18
申请人
TERRA AG FUER TIEFBAUTECHNIK
发明人
JENNE,GUSTAV,DR.;JENNE,DIETMAR,DIPL.-WIRTSCH.-ING.
分类号
B25D9/22;E21B4/14;F01B11/04;(IPC1-7):E21B11/02
主分类号
B25D9/22
代理机构
代理人
主权项
地址
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