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NF C32-212 (01/1990) Insulated cables...
NF F01-142 (06/1990) (R2010) Railway rolling stock. Running gear. Ultrasonic examination. - Matériel roulant ferroviaire
NF G91-102 (06/1990) (R2010) Self-gripping fasteners. Structural characteristics. Methods of test. - Fermetures auto-agrippantes
NF G91-103 (06/1990) Self-gripping fasteners. Mechanical strengt tests. - Fermetures auto-agrippantes
NF G91-104 (06/1990) (R2010) Self-gripping fasteners. Characteristics of dyeing fastness. Tests for dyeing fastness. - Fermetures auto-agrippantes
NF C97-302 (06/1990) Sound system equipment. Explanation of general terms and calculation methods. - Équipements pour systèmes électroacoustiques
NF C20-902-1 (06/1990) Fire hazard testing. Test methods. Determination of smoke opacity without air-change. Part one : methodology and test devices.
NF C97-103 (06/1990) Recording and reproduction of sound and video. Method of measurement of speed fluctuations in sound recording and reproducing equipment. - Enregistrement du son et des images
NF C46-603 (06/1990) Fip bus for exchange of information between transmitters, actuators and programmable controllers. Data link layer. - Bus FIP pour échange d'informations entre transmetteurs, actionneurs et automates
NF C97-301 (06/1990) Sound system equipment. General. - Équipements pour systèmes électroacoustiques
NF Z12-010 (05/1990) (R2010) Administrative documents. Identity photographs. - Documents administratifs
NF X43-259 (05/1990) (R2015) Air quality. Workplace air. Personal or stationary sampling of the alveolar fraction of particulate pollution. Separation method using a 10 mm cyclone. - Qualité de l'air
NF F57-021 (05/1990) (R2010) Railway fixed equipment. Shoe brake. Characteristics. - Installations fixes ferroviaires