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UNE 19044:1973 BOILER TUBES. DIMENSIONS, TOLERANCES AND CONVENTIONAL MASSES PER UNIT LENGHT.
UNE 40222:1973 DETERMINATION OF THE MASS OF PILE BY UNITY OF SURFACE OF A CARPET THAT CAN BE SHORN AWAY FROM THE SUBSTRATE.
UNE 20513-2:1973 COLOUR TELEVISION SYSTEM. COLOUR BAR SIGNAL.
UNE 20513-3:1973 COLOUR TELEVISION SYSTEM. SUBJECTIVE QUALITY EVALUATION OF TELEVISION IMAGE.
UNE 36536:1973 STEEL WINDOW'S SECTIONS. DIMENSIONS AND TOLERANCES
UNE 64040:1973 MIXED FEEDS AND RAW MATERIALS. ANALYSIS OF VITAMIN A IN AQUEOUS DISPERSIONS.
UNE 40151-1:1973 UNIVERSAL TEX SYSTEM TO DESIGNATE LINEAR MASS.
UNE 40151-3:1973 DEVELOPMENT OF TEX SYSTEM IN COMMERCE AND INDUSTRY.
UNE 21101:1973 OVERHEAD TRANSMISSION LINES. METHODS FOR MEASURING IN THE FIELD OF GROUND CABLES OR CONDUCTORS SAGS.
UNE 21051:1973 COMPACT ALUMINIUM TYPE CABLES FOR OVERHEAD TRANSMISSION LINES.
UNE 55081:1973 FATS. HEXANE (REAGENT). CHARACTERISTICS AND TEST METHODS.