ARRANGEMENT FOR SUPPORTING THE STOPING FACE AND ROOF
摘要
申请公布号
SU900014(A1)
申请公布日期
1982.01.23
申请号
SU19802932209
申请日期
1980.05.26
申请人
NI GORNORUDNYJ INSTITUT
发明人
URVANTSEV VIKTOR P,SU;LITVINYUK ALEKSANDR F,SU;PYATNITSA MIKHAIL A,SU;KALMANOV SERGEJ I,SU;AVRUSHKIN EVEL G,SU;KUSHCHENKO LEONID F,SU;NEGOVOROV DANIIL D,SU;MARTYNKEVICH VLADIMIR A,SU
