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发明名称
METHOD OF WORKING FORMATION DEPOSITS OF COAL,OIL SHALE AND SALT
摘要
申请公布号
SU1170128(A1)
申请公布日期
1985.07.30
申请号
SU19833621184
申请日期
1983.07.13
申请人
INST GEOTEKHNICHESKOI MEKHANI
发明人
MYAKENKIJ VALENTIN I,SU;REPKA VALERIJ V,SU
分类号
E21B43/28;(IPC1-7):E21B43/28;E21C41/04
主分类号
E21B43/28
代理机构
代理人
主权项
地址
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