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发明名称
ENTRY-DRIVING APPARATUS
摘要
申请公布号
SU968385(A1)
申请公布日期
1982.10.23
申请号
SU19813259806
申请日期
1981.03.13
申请人
VNII ZOLOTA REDKIKH METALLOV
发明人
CHURKIN ANATOLIJ E,SU;MAKSIMENKO ANATOLIJ I,SU;GRINEVICH VLADISLAV V,SU;LAVROV NIKOLAJ P,SU
分类号
E21C25/60;E21C45/00;E21D9/00;(IPC1-7):E21C25/60
主分类号
E21C25/60
代理机构
代理人
主权项
地址
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