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发明名称
VORRICHTUNG ZUM AUSHEBEN VON GRAEBEN.
摘要
申请公布号
AT725(T)
申请公布日期
1982.03.15
申请号
AT19790301612T
申请日期
1979.08.08
申请人
DAVISON, GEOFFREY WILFRED
发明人
DAVISON, GEOFFREY WILFRED
分类号
E02F5/02;(IPC1-7):E02F5/02
主分类号
E02F5/02
代理机构
代理人
主权项
地址
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