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经营范围
发明名称
Underground mining method.
摘要
申请公布号
ZA200209393(B)
申请公布日期
2003.10.16
申请号
ZA20020009393
申请日期
2002.11.19
申请人
ESKOM.
发明人
DIRK BERNHARD FOURIE;CHRISTIAN HIERONYMANS BOMMAN VAN EEDEN;JACOBUS HOSEA JORDAAN
分类号
E21C
主分类号
E21C
代理机构
代理人
主权项
地址
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