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发明名称
Method for gas exploitation by means of rock mass fracturing, especially of coal beds
摘要
申请公布号
PL389549(A1)
申请公布日期
2011.05.23
申请号
PL20090389549
申请日期
2009.11.12
申请人
AKADEMIA GORNICZO-HUTNICZA IM. STANIS&LSTROK,AWA STASZICA
发明人
NAWRAT STANIS&LSTROK,AW;MARKS GRZEGORZ;NAPIERAJ SEBASTIAN
分类号
E21B43/26;E21F7/00
主分类号
E21B43/26
代理机构
代理人
主权项
地址
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