Normativa ISO UNE gratis

Fecha de publicación: 15/04/1987 Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment IEC 60721-3-6:1987

Fecha de publicación: 15/04/1987 Measuring method for chrominance signal-to-random noise ratio for video tape recorders IEC 60883:1987

Fecha de publicación: 15/04/1987 Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment IEC 60721-3-6:1987+AMD1:1991 CSV

Fecha de publicación: 30/06/1987 Lamp caps and holders together with gauges for the control of interchangeability and safety – Part 2: Lampholders – Eight supplement. IEC 60061-2H:1987

Fecha de publicación: 30/06/1987 Lamp caps and holders together with gauges for the control of interchangeability and safety – Part 3: Gauges – Tenth supplement. IEC 60061-3K:1987

Fecha de publicación: 01/09/1987 Corrigendum 1 – Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment IEC 60721-3-6:1987/COR1:1987

Fecha de publicación: 30/11/1987 Methods of measurement for radio equipment used in the mobile services. Part 5: Receivers employing single-sideband techniques (R3E, H3E or J3E) IEC 60489-5:1987

Fecha de publicación: 30/12/1987 PVC insulated ribbon cable with a pitch of 1.27 mm suitable for insulation displacement termination IEC 60918:1987

Fecha de publicación: 01/01/1988 Amendment 1 – Methods of measurement for radio equipment used in satellite earth stations. Part 1: Measurements common to sub-systems and combinations of sub-systems. Section Three: Measurements in the i.f. range IEC 60510-1-3:1980/AMD1:1988

Fecha de publicación: 15/03/1988 Audio recording – PCM encoder/decoder system IEC 60841:1988