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发明名称
METHOD OF TESTING COAL AND ROCK SPECIMENT FOR GAS-ABSORPTION CAPACITY
摘要
申请公布号
SU1592488(A1)
申请公布日期
1990.09.15
申请号
SU19853980462
申请日期
1985.11.20
申请人
NOVOCHERKASSKIJ INZHENERNO-MELIORATIVNYJ I IM.A.K.KORTUNOVA
发明人
BATRAKOV NIKOLAJ F,SU
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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