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发明名称
EINRICHTUNG FUER DIE TIEFENSTEUERUNG VON GRABENBAGGERN
摘要
申请公布号
DD157058(A3)
申请公布日期
1982.10.13
申请号
DD19800222921
申请日期
1980.07.29
申请人
ROSBACH,HELMUTH,DD
发明人
ROSBACH,HELMUTH,DD
分类号
E02F5/14;(IPC1-7):E02F5/14
主分类号
E02F5/14
代理机构
代理人
主权项
地址
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