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发明名称
POWERED SUPPORT FOR LIQUIDATION OF MINE WORKINGS
摘要
申请公布号
SU1749473(A1)
申请公布日期
1992.07.23
申请号
SU19904807938
申请日期
1990.03.30
申请人
PODMOSKOVNYJ NI PK UGOLNYJ I;PROIZV OB PO DOBYCHE UGLYA "TULAUGOL"
发明人
CHENDEV FEDOR S,SU;DUBOVSKIJ YURIJ P,SU;POTAPENKO VYACHESLAV A,SU;BEZZUBOV VYACHESLAV I,SU;SUKHOV VLADIMIR V,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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