Covers earth leakage circuit-breakers for use on both direct and alternating current systems at low or medium pressures. An earth leakage circuit-breaker intended for use in a direct current circuit shall be deemed suitable for such use if the earth leakage tripping coil opens the circuit-breaker under the conditions set out in this specification when direct current pressures are applied, and if it otherwise conforms with the requirements of this specification.
Information technology — Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s — Part 1: Systems — (ISO/IEC 11172-1:1993)
Information technology — Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s — Part 2: Video (ISO/IEC 11172-2:1993)
Information technology — Coding of moving pictures and associated audio for digital storage media at up to about 1,5 Mbit/s — Part 3: Audio (ISO/IEC 11172-3:1995)