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经营范围
发明名称
METHOD AND INSTALLATION FOR MINING
摘要
申请公布号
AU1669788(A)
申请公布日期
1988.12.01
申请号
AU19880016697
申请日期
1988.05.26
申请人
L.R. BASTER
发明人
NAME NOT GIVEN
分类号
E21B43/00;E21B43/29;E21B43/30
主分类号
E21B43/00
代理机构
代理人
主权项
地址
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