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经营范围
发明名称
Rock anchor.
摘要
申请公布号
ZA9610664(B)
申请公布日期
1997.08.29
申请号
ZA19960010664
申请日期
1996.12.19
申请人
CORNELIUS WILHELM HUMAN
发明人
PETRUS JACOBUS BOTHA
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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