Normativa ISO UNE gratis

Fecha de publicación: 01/01/1977 Supplement F – General principles of nuclear reactor instrumentation – Steam generating, direct cycle, heavy-water moderated reactors IEC 60231F:1977

Fecha de publicación: 01/01/1977 Supplement E – General principles of nuclear reactor instrumentation – Principles of instrumentation of high temperature indirect cycle gas-cooled power reactors (HTGR) IEC 60231E:1977

Fecha de publicación: 01/01/1977 D.C. bridges for measuring resistance IEC 60564:1977+AMD1:1981 CSV

Fecha de publicación: 01/01/1978 Methods of measurement for radio equipment used in satellite earth stations. Part 2: Measurements for sub-systems. Section One: General – Section Two: Antenna (including feed network) IEC 60510-2-1:1978

Fecha de publicación: 01/01/1978 Terminology for microwave apparatus IEC 60615:1978

Fecha de publicación: 01/01/1978 Expression of the performance of pulse generators IEC 60624:1978

Fecha de publicación: 01/01/1978 High-voltage cable plug and socket connections for medical X-ray equipment IEC 60526:1978

Fecha de publicación: 01/01/1978 Terminal and tapping markings for power transformers IEC TR 60616:1978

Fecha de publicación: 01/06/1978 Corrigendum 1 – Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids IEC 60589:1977/COR1:1978

Fecha de publicación: 01/07/1978 Corrigendum 1 – Determination of the aromatic hydrocarbon content of new mineral insulating oils IEC 60590:1977/COR1:1978