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发明名称
Mine prop
摘要
申请公布号
ZA200510342(B)
申请公布日期
2006.12.27
申请号
ZA20050010342
申请日期
2005.12.20
申请人
BURRELL MINING PRODUCTS, INC.
发明人
HARBAUGH, WILLIAM L.;LASH, CHARLES C.
分类号
E02D
主分类号
E02D
代理机构
代理人
主权项
地址
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