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发明名称
DEVICE FOR FEEDING SOLIDIFYING MATERIALS INTO BOREHOLE
摘要
申请公布号
SU1580024(A1)
申请公布日期
1990.07.23
申请号
SU19884465040
申请日期
1988.05.25
申请人
INST GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
GORBUNOV ANATOLIJ K,SU;GAJKO EDUARD I,SU;BARSUKOVA EVGENIYA D,SU;BONDARENKO LEONID S,SU;DVORYASHINA VALENTINA S,SU;LEMAN ALEKSANDR A,SU
分类号
E21D20/02
主分类号
E21D20/02
代理机构
代理人
主权项
地址
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