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经营范围
发明名称
MINE PROP
摘要
申请公布号
ZA8305122(B)
申请公布日期
1984.04.25
申请号
ZA19830005122
申请日期
1983.07.14
申请人
VENTER DIRK CORNELIUS STEPHANUS
发明人
VENTER MARCUS MARCEL
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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