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经营范围
发明名称
MINING SUPPORT
摘要
申请公布号
ZA8706462(B)
申请公布日期
1989.04.26
申请号
ZA19870006462
申请日期
1987.08.28
申请人
REINFORCED EARTH MINING SERVICES (PROPRIETARY) LIMITED
发明人
LEON DISON;ANDREW CAMPBELL STEWART SMITH;PAUL FREDERICK CRANKO
分类号
E21C;E21D;E21F
主分类号
E21C
代理机构
代理人
主权项
地址
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