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经营范围
发明名称
STOPING SET FOR TWIN LONGWALLS
摘要
申请公布号
SU1335707(A1)
申请公布日期
1987.09.07
申请号
SU19853969662
申请日期
1985.10.23
申请人
GNI,üPOEKTHO-KOHCTPÔKTOPCKôö ô üPOEKTHÕö Ô×OóÓHÕö ôHCTôTÔT "üEÚOPHôôüPOEKT"
发明人
BELIKOV ANATOLIJ K,SU;KOMISSAROV STANISLAV N,SU;NELYUBIN YURIJ I,SU
分类号
E21D23/00;E21D11/36
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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