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经营范围
发明名称
MINE SUPPORT
摘要
申请公布号
ZA8803467(B)
申请公布日期
1989.07.26
申请号
ZA19880003467
申请日期
1988.05.17
申请人
MARCUS MARCEL VENTER
发明人
MARCUS MARCEL VENTER
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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