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发明名称
Bore hole clamp
摘要
申请公布号
GB2246595(A)
申请公布日期
1992.02.05
申请号
GB19900013645
申请日期
1990.06.19
申请人
* WORTH MINING LIMITED
发明人
SIMON NEIL * ROBINSON
分类号
E21F17/02;F16B2/24
主分类号
E21F17/02
代理机构
代理人
主权项
地址
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