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发明名称
VORRICHTUNG ZUM UNTERIRDISCHEN VORPRESSEN VON AUS PRODUKTROHRSCHUESSEN GEBILDETEN LEITUNGSSTRECKEN
摘要
申请公布号
DE8337763(U1)
申请公布日期
1985.02.28
申请号
DE19830037763U
申请日期
1983.12.31
申请人
SOLTAU, GERD, DR.-ING., 2120 LUENEBURG, DE
发明人
分类号
E21B7/20;E21D9/10;(IPC1-7):E21D9/10
主分类号
E21B7/20
代理机构
代理人
主权项
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