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发明名称
SPOSOB EKSPLOATACJI OTWOROWEJ ZLOZ SIARKI O ZROZNICOWANEJ PRZESTRZENNIE WODOPRZEPUSZCZALNOSCI WARSTW ZLOZONYCH
摘要
申请公布号
PL106702(B1)
申请公布日期
1980.01.31
申请号
PL19760191862
申请日期
1976.08.16
申请人
发明人
分类号
E21B43/28;(IPC1-7):E21B43/28
主分类号
E21B43/28
代理机构
代理人
主权项
地址
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