Radial and axial fans. Aerodynamic testing methods
NORM herausgegeben am 1.1.1992
Designation standards: GOST 10921-90
Note: UNGÜLTIG
Publication date standards: 1.1.1992
The number of pages: 35
Approximate weight : 105 g (0.23 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST