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发明名称
POWER ROOF SUPPORT SECTION HYDRAULIC DRIVE
摘要
申请公布号
SU697738(A1)
申请公布日期
1979.11.15
申请号
SU19742031373
申请日期
1974.06.07
申请人
DO NI UGOLNYJ INSTITUT
发明人
GORYACHIJ VLADIMIR G,SU;GORDIENKO NIKOLAJ F,SU;SANZHAROVA TAMARA ,SU;EVSTAFEV NIKOLAJ V,SU;MIKHAJLENKO VLADIMIR V,SU
分类号
E21D23/16;(IPC1-7):E21D23/16
主分类号
E21D23/16
代理机构
代理人
主权项
地址
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