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发明名称
ANORDNING FOER BRAECKNING AV BORRSTRAENGSSKARVAR VID BORRAGGREGAT
摘要
申请公布号
FI54832(C)
申请公布日期
1979.03.12
申请号
FI19710001667
申请日期
1971.06.14
申请人
ATLAS COPCO AB
发明人
JONSSON NILS GUNNAR
分类号
E21B3/02;E21B19/16;(IPC1-7):E21B19/16
主分类号
E21B3/02
代理机构
代理人
主权项
地址
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