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发明名称
MINE ROOF SUPPORT COVERING
摘要
申请公布号
SU641118(A1)
申请公布日期
1979.01.05
申请号
SU19752191554
申请日期
1975.11.19
申请人
VNI PK UGOLNYJ I (KUZNIUI)
发明人
KURTUKOV PETR NIKOLAEVICH,SU;SLABUKHIN SERGEJ ALEKSANDROVICH,SU;KIBALNYJ ANATOLIJ IVANOVICH,SU;MAKAROV GENNADIJ MIKHAJLOVICH,SU
分类号
E21D23/04;(IPC1-7):E21D23/04
主分类号
E21D23/04
代理机构
代理人
主权项
地址
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