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发明名称
LOADING OF BOREHOLES
摘要
申请公布号
ZW992(A1)
申请公布日期
1992.09.30
申请号
ZW19920000009
申请日期
1992.01.13
申请人
AECI LIMITED
发明人
CARL HERMANUS LUBBE;COLIN DOUGLAS WILSON
分类号
E21B;(IPC1-7):E21B/
主分类号
E21B
代理机构
代理人
主权项
地址
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