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发明名称
SET FOR WATER-GUN MINING OF COAL
摘要
申请公布号
SU877025(A1)
申请公布日期
1981.10.30
申请号
SU19802877213
申请日期
1980.02.01
申请人
PROIZV OB "GIDROUGOL"
发明人
GONTOV ALEKSANDR E,SU;SAZONOV ALEKSANDR E,SU;ATRUSHKEVICH ARKADIJ A,SU;KOVALEV VASILIJ A,SU;SHINKORENKO VLADIMIR S,SU;MEDVEDKOV VLADIMIR I,SU;CHERNYKH GENNADIJ I,SU
分类号
E21C45/00;(IPC1-7):E21C45/00
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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