Стандарты AF

AF R88-22 STRUCTURES TO RESIST THE EFFECTS OF ACCIDENTAL EXPLOSIONS AF M85-25 SEC 8.5 NOTICE 12 STEEL WINDOWS AF M85-25 SEC 8.1A NOTICE 15 STEEL DOORS AND FRAMES AF M85-25 SEC 5.1 NOTICE 40 STRUCTURAL STEEL AF M85-25 SEC 8.5 NOTICE 11 STEEL WINDOWS AF M85-25 SEC 7.11 STEEL SIDING WITH FACTORY APPLIED PAINT FINISH FOR WOOD FRAME BUILDINGS AF M85-25 SEC 8.5 NOTICE 7 STEEL WINDOWS AF M85-25 SEC 8.1A NOTICE 4 STEEL DOORS AND FRAMES AF M85-25 SEC 8.1A NOTICE 3 STEEL DOORS AND FRAMES AF M85-25 SEC 8.5 NOTICE 4 STEEL WINDOWS AF M85-25 SEC 5.1 NOTICE 13 STRUCTURAL STEEL AF M85-25 SEC 8.1A STEEL DOORS AND FRAMES AF M85-25 SEC 5.1 STRUCTURAL STEEL AF M85-25 SEC 8.5 STEEL WINDOWS