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NF U42-001 (12/1981) (R2006) Fertilizers. Types and specifications.
NF Q64-002 (12/1981) (R2011) Graphic technology. Printing, printing inks and substrates. Method of determination of fastness to light.
NF Q64-012 (12/1981) (R2011) Graphic technology. Printing, printing inks and substrates. Definition of the colorimetric characteristics of a range of primary inks for letterpress printing.
NF C62-921 (12/1981) Mains equipment and similar apparatus. Back-up fuse-link in connection with control board circuit-breaker.
NF C67-250 (12/1981) Supports for overhead lines. Prestressed concrete poles. Specification.
NF C67-200 (12/1981) (R2011) Supports for overhead lines. Reinforced concrete poles. Specification.
NF L23-112 (12/1981) (R2011) Countersunk narrow plain washers.
NF V20-104 (11/1981) (R2011) Citrus fruit. Guide to storage.
NF S31-017 (10/1981) (R2002) Acoustics. Noise measurements on watercrafts.
NF R41-111 (10/1981) (R2011) Ball couplings for caravans and light trailers.
NF F11-016 (10/1981) (R2011) Railway transport equipment. Air brake and air pipes. 25 mm brake-hose connecting nipple.
NF G32-310 (10/1981) (R2006) Clothing. Clothing accessories. Coloured buttons. Test on the resistance of the colouring to washing using a detergent.