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发明名称
COMBINATION MINE PROP
摘要
申请公布号
ZA8407219(B)
申请公布日期
1985.04.24
申请号
ZA19840007219
申请日期
1984.09.13
申请人
MINE SUPPORT SYSTEMS (PROPRIETARY) LIMITED
发明人
HERMANUS CHRISTOFFEL VAN DYK
分类号
E21D
主分类号
E21D
代理机构
代理人
主权项
地址
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