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发明名称
GEARLESS HOISTING APPARATUS
摘要
申请公布号
EP2303754(B1)
申请公布日期
2013.08.28
申请号
EP20090769351
申请日期
2009.06.26
申请人
BENTEC GMBH DRILLING & OILFIELD SYSTEMS
发明人
LOEDDEN, AREND;BOSSE, DIETER;SCHULTE-LANDWEHR, HELMUT
分类号
B66D1/12;B66D1/14;B66D5/12;E21B19/00
主分类号
B66D1/12
代理机构
代理人
主权项
地址
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