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经营范围
发明名称
BOHRMASCHINE, INSBESONDERE GESTEINSBOHRMASCHINE
摘要
申请公布号
DE2631307(A1)
申请公布日期
1977.03.17
申请号
DE19762631307
申请日期
1976.07.12
申请人
OY TAMPELLA AB
发明人
SALMI,PEKKA,DIPL.-ING.;HIRVISAARI,EERO,DIPL.-ING.;STROEM,ROLF,DIPL.-ING.
分类号
E21B6/00;E21B19/084;E21B44/06;(IPC1-7):B28D1/14;E21C1/12
主分类号
E21B6/00
代理机构
代理人
主权项
地址
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