Normativa ISO UNE gratis

Fecha de publicación: 29/10/1999 Mechanical standardization of semiconductor devices – Part 3: General rules for the preparation of outline drawings of integrated circuits IEC 60191-3:1999

Fecha de publicación: 04/11/1999 Recording – Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) – Part 3: HD format for 1125-60 and 1250-50 systems IEC 61834-3:1999

Fecha de publicación: 16/11/1999 Amendment 1 – Degrees of protection provided by enclosures (IP Code) IEC 60529:1989/AMD1:1999

Fecha de publicación: 18/11/1999 Semiconductor converters – Part 2: Self-commutated semiconductor converters including direct d.c. converters IEC 60146-2:1999

Fecha de publicación: 25/11/1999 Electromagnetic compatibility (EMC) – Part 4-28: Testing and measurement techniques – Variation of power frequency, immunity test IEC 61000-4-28:1999

Fecha de publicación: 25/11/1999 Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS – Part 2: FM audio recording IEC 60774-2:1999

Fecha de publicación: 30/11/1999 Nuclear instrumentation – Density gauges utilizing ionizing radiation – Definitions and test methods IEC 60692:1999

Fecha de publicación: 10/12/1999 Digital audio broadcast system – Specification of the receiver data interface (RDI) IEC 62105:1999

Fecha de publicación: 17/12/1999 Instrument transformers – Part 7: Electronic voltage transformers IEC 60044-7:1999

Fecha de publicación: 17/12/1999 Packaging of winding wires – Part 3-1: Taper barrelled delivery spools – Basic dimensions IEC 60264-3-1:1999