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发明名称
ELECTRONIC GUARD SYSTEMS
摘要
<p>Embodiments relate to a drilling rig for detecting a person in a volume associated with a drill bit and influencing the operation of a drive control system associated with the drill bit.</p>
申请公布号
WO2015121634(A1)
申请公布日期
2015.08.20
申请号
WO2015GB50363
申请日期
2015.02.10
申请人
HIGH MEAD DEVELOPMENTS LIMITED
发明人
UNSWORTH, JAMES;JEPSON, BRADLEY
分类号
E21B41/00
主分类号
E21B41/00
代理机构
代理人
主权项
地址
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