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NF T56-123 (12/1974) (R2009) Cellular products of elastomer or plastics. Determination of water absorption of cellular materials over a given period of time.
NF T60-128 (12/1974) (R2009) Congelating point of petroleum waxes, including petrolatum.
NF X10-131 (12/1974) Measurement of water flow in closed conduits.tracer methods part i:general.
NF F01-014 (11/1974) (R2009) Railway transport equipment. Type A and C machining centres for axles.
NF P13-301 (12/1974) Hollow terra cota bricks.
NF F36-002 (11/1974) (R2009) Railway transport equipment. Industrial wagons. 50 mm air adaptor coupling.
NF X02-011 (11/1974) Value of the gravity.
NF X20-303 (11/1974) Gas analysis by means of gas chromatography.
NF C66-437 (11/1974) Insulators and fittings for overhead lines. Top iron fittings (FT) for strutted wooden poles.
NF G36-031 (10/1974) Webbing tests. Method of determination of certains properties.
NF L21-203 (11/1974) Steel rivets. Stainless and heat-resisting alloy rivets. Technical specification.
NF L80-090 (11/1974) Inscriptions in aircraft. Letters, numbers, signs and accents.