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发明名称
DEVICE FOR INTERLOCKING MINE AIRING GATES
摘要
申请公布号
SU1601390(A1)
申请公布日期
1990.10.23
申请号
SU19884490574
申请日期
1988.10.06
申请人
VNI PK UGOLNYJ INSTITUT"KNIUI"
发明人
URAZOV VYACHESLAV V,SU;RODIONOV YURIJ E,SU;MAJDANSKIJ PETR V,SU;LYUBIMNIKOVA IRINA ZH,SU
分类号
E21F1/14
主分类号
E21F1/14
代理机构
代理人
主权项
地址
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