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发明名称
Aushubschleuse fuer Drucklufttiefgruendungsarbeiten
摘要
申请公布号
DE814427(C)
申请公布日期
1951.10.15
申请号
DE1950F002530
申请日期
1950.08.27
申请人
J. S. FRIES SOHN
发明人
CHRISTEL ERNST DR.-ING.
分类号
E02D23/06;E21D1/03
主分类号
E02D23/06
代理机构
代理人
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地址
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