|
RU2047541C1
|
|
Anchor
|
|
RU2064845C1
|
|
Magnetic classifier
|
|
RU2072045C1
|
|
Method for mine excavation in long breakage face
|
|
RU1807216C
|
|
Mine blast-resisting stopping
|
|
RU2047550C1
|
|
Friction-type lifting machine
|
|
RU2062387C1
|
|
Pipe joint
|
|
RU1815770C
|
|
Device for control of frequency converter
|
|
RU1838863C
|
|
Asynchronous three-phase electric motor
|
|
RU1833898C
|
|
Device for computations
|
|
RU1837042C
|
|
Microprocessor unit for controlling horozontal cate for loading cars with electro-mechanic drive
|
|
SU1818471A1
|
|
Device for pulse breaking of rocks
|
|
RU1836561C
|
|
A method for opencast mining of steeply falling mineral resource deposits
|
|
RU1827296C
|
|
Powder distributing device
|
|
RU1788354C
|
|
Bearing unit
|
|
RU1833470C
|
|
Method for establishing protective pillars in main transport workings
|
|
RU1823125C
|
|
Frequency-controlled electric drive
|
|
RU1800033C
|
|
Method for working benches
|
|
RU1799820C
|
|
Belt conveyor
|
|
RU1800031C
|
|
Storehouse for loose materials
|
|
RU1796498C
|
|
Device to suppress sparking in electric locomotive current collectors
|
