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UNE 31614:1974 AMMONIUM PERCHLORATE FOR POWDERS, EXPLOSIVES AND PYROTECHNICS.
UNE 66006:1974 IN HANDBOOK FOR QUALITY CONTROL DURING THE MANUFACTURE BASED ON THE SYSTEM OF THE CONTROL GRAPHIC.
UNE 20547:1974 DATE CODE SYSTEMS FOR ELECTRONIC COMPONENTS
UNE 40247-1:1974 IN COTTON FIBRES. DETERMINATION OF BREAKING TENACITY OF FLAT BUNDLES.
UNE 40247-2:1974 IN COTTON FIBRES. DESCRIPTION AND WAY OF USING THE DYNAMOMETRE PRESSLEY TO DETERMINE THE BREAKING TENACITY OF FLAT BUNDLES.
UNE 40247-3:1974 IN 'DESCRIPTION AND WAY OF USING THE ''STELOMETRE'' TO DETERMINE THE BREAKING TENACITY AND ELONGATION OF FLAT BUNDLES OF COTTON.'
UNE 40194:1974 FRAMES FOR HARNESS: COORDINATION OF DIMENSIONS IN FUNCTION OF SEPARATION BETWEEN HARNESS.
UNE 40196:1974 STRIPS AND PENS OF WOOD, METAL OR OTHER MATERIAL USEABLE FOR LITTLE MACHINES OF HARNESS.