资质认证
- ISO 2769:1973
- Modular units for machine tool construction — Wing bases for slide units
- 1973-04-30
- ISO 497:1973
- Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers
- 1973-04-30
- ISO 17:1973
- Guide to the use of preferred numbers and of series of preferred numbers
- 1973-03-31
- ISO 3:1973
- Preferred numbers — Series of preferred numbers
- 1973-03-31
- ISO 2032:1973
- Heat-resisting equipment wires for aircraft
- 1973-03-31
- ISO 2436:1973
- Heat-resisting equipment wires for aircraft — Methods of test
- 1973-03-31
- ISO 2462:1973
- Sodium chlorate for industrial use — Determination of moisture content — Gravimetric method
- 1973-03-31
- ISO 2277:1973
- Static invertors for aircraft
- 1973-03-31
- ISO 263:1973
- ISO inch screw threads — General plan and selection for screws, bolts and nuts — Diameter range 0,06 to 6 in
- 1973-03-31
- ISO 2460:1973
- Sodium hydrogen carbonate for industrial use — Determination of iron content — 1,10- Phenanthroline photometric method
- 1973-03-31
- ISO 1443:1973
- Meat and meat products — Determination of total fat content
- 1973-03-31
- ISO 456:1973
- Surface active agents — Analysis of soaps — Determination of free caustic alkali
- 1973-02-28
- ISO 2203:1973
- Technical drawings — Conventional representation of gears
- 1973-02-28
- ISO 2629:1973
- Basic mode control procedures - Conversational information message transfer
- 1973-01-31
- ISO 2629:1973
- Basic mode control procedures - Conversational information message transfer
- 1973-01-31
- IEC 60335-1:1970/AMD1:1973
- Amendment 1 - Safety of household and similar electrical appliances - Part 1: General requirements
- 1973-01-31
- ISO 2629:1973
- Basic mode control procedures — Conversational information message transfer
- 1973-01-31
- ISO 981:1973
- Sodium hydroxide for industrial use — Determination of chloride content — Mercurimetric method
- 1973-01-31
- ISO 1966:1973
- Crimped joints for aircraft electrical cables
- 1973-01-31
- ISO 1965:1973
- Aluminium terminal ends for crimping to aircraft aluminium electrical cables
- 1973-01-31
