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发明名称
ORE PASS RUSH ELIMINATOR
摘要
申请公布号
AU624490(B2)
申请公布日期
1992.06.11
申请号
AU19900052337
申请日期
1990.03.29
申请人
BARRY JOHN MILLER
发明人
BARRY JOHN MILLER
分类号
E21F13/04;(IPC1-7):E21C41/16;E21D9/12
主分类号
E21F13/04
代理机构
代理人
主权项
地址
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