UNE 40007:1955 REPRESENTATIVE SIGNS OF TEXTILE MACHINERY. SPINNING.
UNE 55018:1955 FATS. CARBON SULPHIDE AS OILS AND FATS SOLVENTS.
UNE 28002-3:1955 AERONAUTICAL TERMINOLOGY. GENERAL MANOEUVRE OF AN AIRCRAFT IN THE AIR.
UNE 28002-2:1955 AERONAUTICAL TERMINOLOGY. GENERALITIES.
UNE 28002-4:1955 AERONAUTICAL TERMINOLOGY. GENERAL MANOEUVRE OF AN AIRCRAFT ON LAND OR IN WATER.
UNE 34307:1955 CONSERVATION OF THE OLIVES IN THE OIL MILL.
UNE 25077:1955 TOLERANCES OF MOUNTED SPRINGS OF LEAF SPRING FOR RAILWAY MATERIAL. COLD OR HOT CLAMPED SPRINGS.
UNE 31605:1955 COTTON CELLULOSE FOR NITROCELLUSES OF POWDERS.