MECHANIZED ROOF SUPPORT FOR WINNING THICK SEAMS BY GROUND-STEPPED FACE
摘要
申请公布号
SU826006(A1)
申请公布日期
1981.04.30
申请号
SU19762378155
申请日期
1976.06.24
申请人
VNI PK UGOLNYJ I (KNIUI)
发明人
NOVIKOV VLADIMIR YA,SU;SHALLER IVAN B,SU;KHARDIN NIKOLAJ N,SU;MUKUSHEV MAJZHAN M,SU;KIM OLGERD V,SU;DATSKOV VLADIMIR I,SU;VORONIN BORIS I,SU;SHEVCHENKO KONSTANTIN K,SU;PISAREV VYACHESLAV F,SU;ILYASHENKO PETR L,SU
