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发明名称
MINE SHAFT LINING
摘要
申请公布号
GB2130622(A)
申请公布日期
1984.06.06
申请号
GB19830027863
申请日期
1983.10.18
申请人
* SANTA FE INTERNATIONAL CORPORATION
发明人
PAUL * RICHARDSON;DAVID A * WHITLEY
分类号
B66C1/66;E21B19/06;E21B23/00;E21D5/12;(IPC1-7):E21D5/01
主分类号
B66C1/66
代理机构
代理人
主权项
地址
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