49.		EN 50221 : common interface specification for conditional access and other digital video broadcasting decoder applications / European Commitee for Electrothecnical Standardization Data Publicação: 1997 Tema: Normas
50.		FINAL DRAFT prEN 50222 : standard for the evaluation of measurement results taking measurement uncertainty into account / European Commitee for Electrothecnical Standardization Data Publicação: 1997 Tema: Normas
51.		prEN 50222 - projet DEFINITIF : norme pour l'évaluation des résultats de mesure destinée à prendre en compte les incertitudes de mesure / Comité Européen de Normalisation Electrotechnique Data Publicação: 1997 Tema: Normas
52.		FINAL DRAFT prEN 50255 : digital audio broadcasting system: specification of the receiver data interface (RDI) / European Commitee for Electrothecnical Standardization Data Publicação: 1997 Tema: Normas
53.		Projet définitif prEN 50255 : systèmes de radiodiffusion sonore numérique (DAB): spécification de l'interface de données du récepteur (RDI) / Comité Européen de Normalisation Electrotechnique Data Publicação: 1997 Tema: Normas
54.		EN 55011/A1 : limits and methods of measurement of radio disturbance characteristics of industrial, scientific and medical (ISM) radio-frequency equipment: (CISPR 11: 1990/A1: 1996, modified) / European Commitee for Electrothecnical Standardization Data Publicação: 1997 Tema: Normas
55.		EN 55014-1/A1 : electromagnetic compatibility - requirements for household appliances, electric tools and similar apparatus: part 1: emission - product family standard: (CISPR 14-1: 1993/A1: 1996 + corrigendum 1997) / European Commitee for Electrothecnical Standardization Data Publicação: 1997 Tema: Normas
56.		EN 50203 : automatic channel installation (ACI) / European Commitee for Electrothecnical Standardization Data Publicação: 1996 Tema: Normas
57.		EN 55013/A13 : limits and methods of measurement of radio disturbance characteristics of broadcast receivers and associated equipment / European Commitee for Electrothecnical Standardization Data Publicação: 1996 Tema: Normas
58.		EN 55020 /A11 : lectromagnetic immunity of broadcast receivers and associated equipment / European Commitee for Electrothecnical Standardization Data Publicação: 1996 Tema: Normas
59.		EN 55103-1 : Electromagnetic compatibility product family standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use / European Commitee for Electrothecnical Standardization Data Publicação: 1996 Tema: Normas
60.		HD 624 .8 S1/A1 : materials used in communication cables: part 8: filling compounds for filled cables: / European Commitee for Electrothecnical Standardization Data Publicação: 1996 Tema: Normas