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发明名称
Verfahren und Vorrichtung zur unterirdischen Einbringung von Transportrohren grösserer Länge in das Erdreich
摘要
申请公布号
DE59305116(D1)
申请公布日期
1997.02.27
申请号
DE19935005116
申请日期
1993.07.23
申请人
BEB ERDGAS UND ERDOEL GMBH, 30659 HANNOVER, DE;VEENKER, MANFRED, DR.-ING., 30173 HANNOVER, DE
发明人
SCHLEMM, FRIEDRICH, DIPL.-ING., D-30559 HANNOVER, DE;VEENKER, MANFRED, DR.-ING., D-30173 HANNOVER, DE
分类号
E21B7/04;E21B7/20;E21B17/07;(IPC1-7):E21B7/20
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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