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发明名称
Establishing communication between bore holes in solution mining
摘要
申请公布号
US3347595(A)
申请公布日期
1967.10.17
申请号
US19650452596
申请日期
1965.05.03
申请人
PITTSBURGH PLATE GLASS COMPANY
发明人
DAHMS JAMES BOWEN;EDMONDS BYRON PRIESTLY
分类号
E21B43/29
主分类号
E21B43/29
代理机构
代理人
主权项
地址
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