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经营范围
发明名称
SLURRY MINING OF GRANULAR ORE
摘要
申请公布号
AU512055(B2)
申请公布日期
1980.09.18
申请号
AU19770030945
申请日期
1977.11.24
申请人
FMC CORP.
发明人
P.R. BUNNELLE
分类号
E21B7/18;E21B21/10;E21B43/29;E21C41/22;(IPC1-7):E21C41/00;E21C45/00
主分类号
E21B7/18
代理机构
代理人
主权项
地址
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