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发明名称
PERCUSSION ELECTROMAGNETIC DRIVE
摘要
申请公布号
SU1745920(A1)
申请公布日期
1992.07.07
申请号
SU19904796715
申请日期
1990.02.28
申请人
INST GORNOGO DELA SO AN SSSR
发明人
KADYSHEV ALEKSANDR I,SU;SIMONOM BORIS F,SU;RYASHENTSEV NIKOLAJ P,SU;KRAVCHENKO YURIJ P,SU;BRITKOV NIKOLAJ A,SU;URYUPIN FEDOR M,SU
分类号
E21C37/00;H01F7/18
主分类号
E21C37/00
代理机构
代理人
主权项
地址
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