METHOD OF MINING COAL BY UNDER-LEVEL HYDRAULIC EXCAVATION
摘要
申请公布号
SU599073(A1)
申请公布日期
1978.03.25
申请号
SU19762350831
申请日期
1976.04.21
申请人
VNI PK I DOBYCHI UGLYA GIDRAVLICHESKIM SPOSOBOM
发明人
PAKHTUSOV YURIJ GAVRILOVICH,SU;FOMICHEV SERGEJ GRIGOREVICH,SU;SALNIKOV VLADIMIR ROMANOVICH,SU;NATSARENUS PETR ALEKSANDROVICH,SU;LUGOVENKO VIKTOR EFIMOVICH,SU;PAKHTUSOV GAVRIIL ALEKSANDROVICH,SU
