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发明名称
UNIT OF POWERED MINE ROOF SUPPORT
摘要
申请公布号
SU964175(A1)
申请公布日期
1982.10.07
申请号
SU19813254925
申请日期
1981.03.02
申请人
VOROSHILOVGRADSKIJ SHAKHTINSKOGO NI PK UGOLNOGO I IM.A.I.TERPIGOREVA
发明人
SMIRNOV KONSTANTIN P,SU;AZARETOV SERGEJ A,SU;RYBALKIN ANATOLIJ T,SU
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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