Device for obtaining air enriched with oxygen and noble gases
SU47023A1
The method of obtaining artificial drying oil
SU42979A1
Installation for utilizing the heat of condensation of water vapor released during the production of air enriched with oxygen from the water of hydroelectric power plants
SU45906A1
Installation for using the heat of gases and vapors derived from water hydroelectric power plants
SU37077A1
Device for obtaining air enriched with oxygen and noble gases
SU31931A1
Method and apparatus for dewatering and separation of salts
SU24300A1
Device for balancing variable loads on the hook, which serves to support the bars during their forging
SU15029A1
Extraction apparatus
SU15711A1
Extraction device
SU12198A1
Device for controlling the moisture of loose bodies