|
RU1789778C
|
|
Pump-ejector unit
|
|
RU1789779C
|
|
Pump-ejector unit
|
|
RU1793124C
|
|
Friction block of predominantly drum brake
|
|
RU1789777C
|
|
Pump-ejector unit
|
|
RU1789772C
|
|
Pump-ejector plant working fluid
|
|
RU1776289C
|
|
Hydraulic jar
|
|
RU1789776C
|
|
Pump-ejector unit
|
|
RU1789775C
|
|
Well pumping unit
|
|
RU1788210C
|
|
Method for isolation of lost-circulation formation in borehole
|
|
RU1779441C
|
|
Unit for clamping pressing tools
|
|
SU1750764A1
|
|
Method of strengthening taper thread
|
|
RU1770615C
|
|
Liquid-gas ejector
|
|
RU1778373C
|
|
Liquid-gas ejector
|
|
SU1739104A1
|
|
Plain bearing assembly
|
|
RU1774292C
|
|
Method of and determining electric charge on rock sample chip
|
|
CA2007128A1
|
|
Pulley
|
|
SU1792341A3
|
|
Method for removing harmful impurities from smoke gases
|
|
SU1722671A1
|
|
Method of strengthening cone threads
|
|
RU1778279C
|
|
Gas hydrodynamic well radiator-disperser
|
|
RU1793947C
|
|
Method of exhaust gases purification against phenol and formaldehyde
|
