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发明名称
Im Graben verziehbares Rohrleitungsgraben-Senkrechtverbaugeraet
摘要
申请公布号
DE1955513(A1)
申请公布日期
1971.05.19
申请号
DE19691955513
申请日期
1969.11.04
申请人
DEICHL,ERNST
发明人
DEICHL,ERNST
分类号
E02D17/08
主分类号
E02D17/08
代理机构
代理人
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地址
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