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发明名称
MASCHINE ZUM KONTINUIERLICHEN BOHREN IN ODER ABBAUEN VON BODENFORMATIONEN O.DGL.
摘要
申请公布号
DE2802351(A1)
申请公布日期
1978.07.27
申请号
DE19782802351
申请日期
1978.01.20
申请人
FA. BOUYGUES
发明人
MONTACIE,MARCEL
分类号
E21C31/04;E21D9/10;(IPC1-7):E21D9/10;E21C27/24
主分类号
E21C31/04
代理机构
代理人
主权项
地址
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