Normativa ISO UNE gratis

Fecha de publicación: 01/01/1972 Varnished fabrics for electrical purposes. Part 2: Methods of test IEC 60394-2:1972

Fecha de publicación: 01/01/1972 Methods of measurement for radio transmitters – Part 3: Wanted and unwanted modulation IEC 60244-3:1972

Fecha de publicación: 01/01/1972 Fourth supplement – Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 3: Gauges IEC 60061-3D:1972

Fecha de publicación: 01/01/1972 third supplement – Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 2: Lampholders IEC 60061-2C:1972

Fecha de publicación: 01/01/1972 supplement 4 – Lamp caps and holders together with gauges for the control of interchangeability and safety. Part 1: Lamp caps IEC 60061-1D:1972

Fecha de publicación: 01/01/1972 Supplement B – General principles of nuclear reactor instrumentation – Principles of instrumentation of direct cycle boiling water power reactors IEC 60231B:1972

Fecha de publicación: 01/01/1973 Sound system equipment – Part 8: Automatic gain control devices IEC 60268-8:1973

Fecha de publicación: 01/01/1973 Methods of measurement for radio transmitters. Part 4: Amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting IEC 60244-4:1973

Fecha de publicación: 01/01/1973 International Electrotechnical Vocabulary (IEV) – Part 691: Tariffs for electricity IEC 60050-691:1973

Fecha de publicación: 01/01/1973 Aircraft electrical filament lamps IEC 60434:1973