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UNE 40236:1975 SOLIDITY TEST OF DYEINGS TO NEUTRAL FELTING.
UNE 40309:1975 IN COTTON FIBRES. DETERMINATION OF FIBRE LENGTH AND OF DISTRIBUTION OF LENGTHS BY OPTICAL METHODS.
UNE 40239-5:1975 DETERMINATION OF THE COUNTING OF STRAWS, LIBERIAN FIBRES AND THISTLE BETWEEN 3 AND 10 MM IN THE RIBBONS OF COMBED WOOL.
UNE 40306:1975 DETERMINATION OF FLAME RESISTANCE IN FABRICS.
UNE 38527:1975 MAGNESIUM ALLOYS FOR MOULDING. GROUP MG-TH. ALLOY L-5511, MG-3 TH ZR.
UNE 38528:1975 MAGNESIUM ALLOYS FOR MOULDING. GROUP MG-TH. ALLOY L-5512, MG-3 TH 2 ZN ZR.
UNE 1132:1975 BUILDING DRAWINGS. PROJECTION METHODS.
UNE 20545-3:1975 WIREWOUND FIXED RESISTORS TYPE 1. SELECTION OF METHODS OF TEST AND GENERAL REQUIREMENTS
UNE 49408-1:1975 PAPER BAGS TESTS. STRENGHT TO WATER OF GUMMING
UNE 49408-5:1975 TEST OF PAPER BAGS. TENSILE STRENGTH OF LONGITUDINAL STRENGTH