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UNE 40239-1:1975 GENERAL AND PARTICULAR METHODS TO DETERMINE THE DEFECTS OF CLEANING IN THE RIBBONS OF COMBED WOOL.
UNE 40239-2:1975 DETERMINATION OF CRUDE RUBBER BALE IN THE RIBBONS OF COMBED WOOL.
UNE 40239-3:1975 'COUNTING OF THE NUMBER OF BUTTONS OR ''NEPS'' IN THE RIBBONS OF COMBED WOOL.'
UNE 40239-4:1975 DETERMINATION OF STRAWS, LIBERIAN FIBRES AND THISTLE GREATER THAN 10 MM IN THE RIBBONS OF COMBED WOOL.
UNE 38521:1975 MAGNESIUM ALLOYS FOR MOULDING. GROUP MG-ZN. ALLOY L-5210, MG-5 ZN ZR.
UNE 38500:1975 MAGNESIUM ALLOYS FOR MOULDING. GENERALITIES.
UNE 38524:1975 MAGNESIUM ALLOYS FOR MOULDING. GROUP MG-ZN. ALLOY L-5222, MG-6 ZN 2 TH ZR.
UNE 7321:1975 INTERRUPTED CREEP TESTING OF STEEL AT ELEVATED TEMPERATURES (LOAD AND TEMPERATURA INTERRUPTED).
UNE 7322:1975 NON-INTERRUPTED CREEP TESTING OF STEEL AT ELEVATED TEMPERATURES.
UNE 7323:1975 CREEP STRESS RUPTURE TESTING OF STEEL AT ELEVATED TEMPERATURES.
UNE 21324:1975 TEST ENCLOSURES OF NON-INJECTION TYPE FORM CONSTANT RELATIVE HUMIDITY.