NF X10-200:1986 INDUSTRIAL FANS. RULES FOR PERFORMANCE TESTING OF DUCTED FREE INLET AND FULLY DUCTED FANS USING STANDARDIZED AIRWAYS. "CAISSON REDUIT" METHOD AT THE OUTLET.
1986NF X10-200:1986 INDUSTRIAL FANS. RULES FOR PERFORMANCE TESTING OF DUCTED FREE INLET AND FULLY DUCTED FANS USING STANDARDIZED AIRWAYS. "CAISSON REDUIT" METHOD AT THE OUTLET.