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经营范围
发明名称
Shoring system for trenches
摘要
申请公布号
EP0612890(B1)
申请公布日期
1997.05.02
申请号
EP19940890048
申请日期
1994.02.23
申请人
FRITSCHER, GERHARD
发明人
FRITSCHER, GERHARD
分类号
E02D17/08;(IPC1-7):E02D17/08
主分类号
E02D17/08
代理机构
代理人
主权项
地址
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