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发明名称
METHOD FOR DEVELOPMENT AND MINING OF SHALLOW SHEET DEPOSITS OF MINERALS
摘要
申请公布号
SU1675555(A1)
申请公布日期
1991.09.07
申请号
SU19884412527
申请日期
1988.04.18
申请人
LE GORNYJ I IM.G.V.PLEKHANOVA
发明人
MIRZAEV GENRIKH G,SU;ZVEREV SERGEJ P,SU;KAJTMAZOV VLADISLAV A,SU;KARAKEYAN AMAZP O,SU;BOROZNETS ALEKSANDR F,SU
分类号
E21C41/26
主分类号
E21C41/26
代理机构
代理人
主权项
地址
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