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发明名称
APPARATUS FOR GOAF STOWING
摘要
申请公布号
SU1444540(A1)
申请公布日期
1988.12.15
申请号
SU19874177550
申请日期
1987.01.09
申请人
PERMSKIJ POLT INSTITUT
发明人
STARTSEV VLADIMIR A,SU;STARKOV LEONID I,SU;KRAVCHENKO GRIGORIJ I,SU
分类号
E21F15/00;E21F15/10
主分类号
E21F15/00
代理机构
代理人
主权项
地址
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