资质认证
- ISO 2315:1980
- Aircraft — Two- and four-pole sealed electromagnetic relays, 2 A and 3 A — Clearance and fixing dimensions
- 1980-09-30
- ISO 4539:1980
- Electrodeposited chromium coatings — Electrolytic corrosion testing (EC test)
- 1980-09-30
- ISO 5710:1980
- Equipment for internal farm work and husbandry — Continuous manure scraper conveyors for stalls
- 1980-09-30
- ISO 1831:1980
- Printing specifications for optical character recognition
- 1980-09-30
- ISO 2257:1980
- Office machines and printing machines used for information processing — Widths of fabric printing ribbons on spools
- 1980-09-30
- ISO 4793:1980
- Laboratory sintered (fritted) filters — Porosity grading, classification and designation
- 1980-09-30
- ISO 6485:1980
- Earth-moving machinery — Tractor-scraper — Volumetric rating
- 1980-08-31
- ISO 6759:1980
- Seamless steel tubes for heat exchangers
- 1980-08-31
- ISO 558:1980
- Conditioning and testing — Standard atmospheres — Definitions
- 1980-08-31
- ISO 6375:1980
- Carbonaceous materials for the production of aluminium — Coke for electrodes — Sampling
- 1980-08-31
- ISO 6483:1980
- Earth-moving machinery — Dumper bodies — Volumetric rating
- 1980-08-31
- ISO 6758:1980
- Welded steel tubes for heat exchangers
- 1980-08-31
- ISO 6348:1980
- Textiles — Determination of mass — Vocabulary
- 1980-08-31
- ISO 934:1980
- Animal and vegetable fats and oils — Determination of water content — Entrainment method
- 1980-07-31
- ISO 1741:1980
- Dextrose — Determination of loss in mass on drying — Vacuum oven method
- 1980-07-31
- ISO 6092:1980
- Dried milk — Determination of titratable acidity (Routine method)
- 1980-07-31
- ISO 1573:1980
- Tea — Determination of loss in mass at 103 degrees C
- 1980-07-31
- ISO 873:1980
- Peaches — Guide to cold storage
- 1980-07-31
- ISO 1742:1980
- Glucose syrups — Determination of dry matter — Vacuum oven method
- 1980-07-31
- ISO 6552:1980
- Automatic steam traps — Definition of technical terms
- 1980-07-31
