资质认证
- ISO 5450:1980
- Ferrotungsten — Specification and conditions of delivery
- 1980-11-30
- ISO 4100:1980
- Road vehicles — World parts manufacturer identifier (WPMI) code
- 1980-11-30
- ISO 4185:1980
- Measurement of liquid flow in closed conduits — Weighing method
- 1980-11-30
- ISO 5445:1980
- Ferrosilicon — Specification and conditions of delivery
- 1980-11-30
- ISO 6586:1980
- Data processing - Implementation of the ISO 7- bit and 8- bit coded character sets on punched cards
- 1980-11-06
- ISO 6586:1980
- Data processing - Implementation of the ISO 7- bit and 8- bit coded character sets on punched cards
- 1980-11-06
- ISO 6586:1980
- Data processing — Implementation of the ISO 7- bit and 8- bit coded character sets on punched cards
- 1980-10-31
- ISO 1264:1980
- Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of pH of aqueous extract
- 1980-10-31
- ISO 5196-1:1980
- Magnesium alloys — Determination of thorium — Part 1: Gravimetric method
- 1980-10-31
- ISO 6228:1980
- Chemical products for industrial use — General method for determination of traces of sulphur compounds, as sulphate, by reduction and titrimetry
- 1980-10-31
- ISO 4008-1:1980
- Road vehicles — Fuel injection pump testing — Part 1: Dynamic conditions
- 1980-10-31
- ISO 4221:1980
- Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method
- 1980-10-31
- ISO 6376:1980
- Carbonaceous materials for the production of aluminium — Pitch for electrodes — Determination of content of toluene-insoluble material
- 1980-10-31
- 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 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 5704:1980
- Equipment for vine cultivation and wine making — Grape-harvesting machinery — Test methods
- 1980-09-30
- ISO 197-5:1980
- Copper and copper alloys — Terms and definitions — Part 5: Methods of processing and treatment
- 1980-09-30
- ISO 1021:1980
- Aircraft — Engine nacelle fire extinguisher apertures and doors
- 1980-09-30
