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UNE 34307:1955 CONSERVATION OF THE OLIVES IN THE OIL MILL.
UNE 28002-4:1955 AERONAUTICAL TERMINOLOGY. GENERAL MANOEUVRE OF AN AIRCRAFT ON LAND OR IN WATER.
UNE 25077:1955 TOLERANCES OF MOUNTED SPRINGS OF LEAF SPRING FOR RAILWAY MATERIAL. COLD OR HOT CLAMPED SPRINGS.
UNE 40006:1955 REED OF LOOM. NORMAL METRIC FINENESS.
UNE 31605:1955 COTTON CELLULOSE FOR NITROCELLUSES OF POWDERS.
UNE 25082:1955 LEAF SPRINGS FOR RAILWAY MATERIAL. COLD OR HOT CLAMPED SPRINGS. CANDLES, ABUTMENTS, HOLDERS AND HAND SPRING RIGGING GEAR. ERECTION JETS.
UNE 25041:1955 DRAW AND BUFFER SPRING FOR RAILWAY MATERIAL OF NARROW TRACK GANGE.
UNE 22090:1955 EFFICIENCY CALCULATION OF THE COAL MINES.
UNE 28012-9:1955 WOODS USED IN AIRCRAFT. RADIAL TRACTION TEST.