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发明名称
ERDDRAINAGEGERAET
摘要
申请公布号
DE2633752(A1)
申请公布日期
1977.02.10
申请号
DE19762633752
申请日期
1976.07.23
申请人
BURCAN INTERNATIONAL LTD.
发明人
WAGER,OLEG
分类号
E02B11/00;E02D3/10;E02D19/06;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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