


资质认证
- ISO 10264:1990
- Earth-moving machinery — Key-locked starting systems
- 1990-11-14
- ISO 8780-5:1990
- Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 5: Dispersion using an automatic muller
- 1990-11-14
- ISO 8780-6:1990
- Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 6: Dispersion using a triple-roll mill
- 1990-11-14
- ISO 8780-3:1990
- Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 3: Dispersion using a high-speed impeller mill
- 1990-11-14
- ISO 8781-2:1990
- Pigments and extenders — Methods of assessment of dispersion characteristics — Part 2: Assessment from the change in fineness of grind
- 1990-11-14
- ISO 8780-4:1990
- Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 4: Dispersion using a bead mill
- 1990-11-14
- ISO 8780-1:1990
- Pigments and extenders — Methods of dispersion for assessment of dispersion characteristics — Part 1: Introduction
- 1990-11-14
- ISO 9926-1:1990
- Cranes — Training of drivers — Part 1: General
- 1990-11-14
- ISO 1061:1990
- Plastics — Unplasticized cellulose acetate — Determination of free acidity
- 1990-11-07
- ISO 8052:1990
- Mopeds — Direct current flasher units
- 1990-11-07
- ISO 337:1981/Cor 1:1990
- Road vehicles — 50 semi-trailer fifth wheel coupling pin — Basic and mounting/interchangeability dimensions — Technical Corrigendum 1
- 1990-11-04
- IEC 60183:1984/AMD1:1990
- Amendment 1 - Guide to the selection of high-voltage cables
- 1990-11-01
- ISO 7398:1990
- Motorcycles — Direct current flasher units
- 1990-10-31
- ISO 7400:1990
- Mopeds — Alternating current flasher units
- 1990-10-31
- IEC 60268-17:1990
- Sound system equipment. Part 17: Standard volume indicators
- 1990-10-29
- IEC 60268-17:1990
- Sound system equipment. Part 17: Standard volume indicators
- 1990-10-29
- ISO/IEC 7185:1990
- Information technology - Programming languages - Pascal
- 1990-10-24
- ISO 7185:1990
- Information technology — Programming languages — Pascal
- 1990-10-24
- ISO/IEC 9314-3:1990
- Information processing systems — Fibre distributed Data Interface (FDDI) — Part 3: Physical Layer Medium Dependent (PMD)
- 1990-10-24
- ISO 7399:1990
- Motorcycles — Alternating current flasher units
- 1990-10-24