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发明名称
TEILSCHNITTVORTRIEBSMASCHINE MIT ABSAUGEINRICHTUNG
摘要
申请公布号
DE2541643(B2)
申请公布日期
1977.07.07
申请号
DE19752541643
申请日期
1975.09.18
申请人
发明人
分类号
E21C35/22;(IPC1-7):E21D9/10
主分类号
E21C35/22
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代理人
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