SU1082766A1
|
|
Apparatus for water treatment by acidification method
|
SU1054246A1
|
|
Apparatus for switching the stream of transported loose material
|
SU1033625A1
|
|
Membrane dam
|
SU1055798A1
|
|
Method of dumping ash and slag
|
SU794110A2
|
|
Deep-water water intake
|
SU748350A1
|
|
Keyboard device with electric interlocking and memorizing of commands
|
SU672285A1
|
|
Deep-water water intake
|
SU672514A1
|
|
Device for measuring temperature and its variation rate
|
SU723022A1
|
|
Fish-protecting device for water intake
|
SU691700A2
|
|
Apparatus for measuring temperature and rate of its change
|
SU842759A1
|
|
Device for reversible two-positional electric drive selective control
|
SU656080A1
|
|
Information registering device
|
SU592917A1
|
|
Stream-distributing hydraulic engineering structure
|