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发明名称
Aus rinnenfoermigen Einzelprofilen zusammengeschweisster hohler Rammpfahl
摘要
申请公布号
DE806234(C)
申请公布日期
1951.06.11
申请号
DE1950D001122
申请日期
1950.02.25
申请人
DORTMUND-HOERDER HUETTENVEREIN A.G.
发明人
BLUM DR.-ING. HABIL. HERMANN
分类号
E02D5/28
主分类号
E02D5/28
代理机构
代理人
主权项
地址
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