SOIL-TACING DEVICE FOR TRENCHLESS LAYING OF UNDERGROUND UTILITY LINES
摘要
申请公布号
SU1270233(A2)
申请公布日期
1986.11.15
申请号
SU19792883803
申请日期
1979.12.25
申请人
INST GORNOGO DELA SO AN SSSR
发明人
KOSTYLEV ALEKSANDR D,SU;GILETA VLADIMIR P,SU;TKACH KHAIM B,SU;GRIGORASHCHENKO VLADIMIR A,SU;CHEPURNOJ NIKOLAJ P,SU;KOZLOV VALERIJ A,SU;REJFISOV YURIJ B,SU;BONDAR MIKHAIL YU,SU;DROBYAZKO VLADIMIR F,SU
