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发明名称
Prop.
摘要
申请公布号
ZA200108391(B)
申请公布日期
2002.06.18
申请号
ZA20010008391
申请日期
2001.10.12
申请人
BOTHA, PETRUS, JACOBUS
发明人
BOTHA, PETRUS, JACOBUS
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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