TRENCHLESS DRAIN-LAYING MACHINE FOR CONSTRUCTION OF DRAINAGE NETWORK IN SEASONALLY FREEZING SOIL
摘要
申请公布号
SU1203205(A1)
申请公布日期
1986.01.07
申请号
SU19823533665
申请日期
1982.11.29
申请人
N-PROIZV OB ZEMLEROJNOGO MASH "VNIIZEMMASH"
发明人
GRABOVSKIJ LEV I,SU;SELIVANOV BORIS S,SU;MOLITVIN EGOR I,SU;SPRUDE LEON YA,SU;KHASSO ALEKSANDR B,SU;KOPASHEVIDZE IGOR I,SU;KUDISH VIKTOR B,SU;GRITSENOK PETR A,SU;KOGAN BORIS I,SU
