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发明名称
SCHILDVORTRIEBSEINRICHTUNG ZUM VORTRIEB EINES GRABENS IM OFFENEN VERBAU UND ZUM VERLEGEN EINES ROHRSTRANGES IM GRABEN
摘要
申请公布号
DE2533904(A1)
申请公布日期
1977.02.03
申请号
DE19752533904
申请日期
1975.07.29
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
STOLTZ,ROLF;STUCKMANN,DIETER
分类号
E02F5/10;F16L1/036;(IPC1-7):E02D17/06;E03F3/06
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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