资质认证
- ISO 797:1973
- Aluminium and aluminium alloys — Determination of silicon — Gravimetric method
- 1973-10-31
- ISO 792:1973
- Magnesium and magnesium alloys — Determination of iron — Orthophenanthroline photometric method
- 1973-10-31
- ISO 810:1973
- Magnesium and magnesium alloys — Determination of manganese — Periodate photometric method (Manganese content less than 0,01 %)
- 1973-10-31
- ISO 1783:1973
- Magnesium alloys — Determination of zinc — Volumetric method
- 1973-10-31
- ISO 2626:1973
- Copper — Hydrogen embrittlement test
- 1973-10-31
- ISO 1975:1973
- Magnesium and magnesium alloys — Determination of silicon — Spectrophotometric method with the reduced silicomolybdic complex
- 1973-10-31
- ISO 2211:1973
- Liquid chemical products — Measurement of colour in Hazen units (platinum-cobalt scale)
- 1973-09-30
- ISO 2042:1973
- Aircraft electrical circuit diagrams
- 1973-09-30
- ISO 1466:1973
- Lever-operated manual switches for aircraft — Performance requirements
- 1973-08-31
- ISO 2:1973
- Textiles — Designation of the direction of twist in yarns and related products
- 1973-08-31
- ISO 2299:1973
- Sawn timber of broadleaved species — Defects — Classification
- 1973-07-31
- ISO 2301:1973
- Sawn timber of broadleaved species — Defects — Measurement
- 1973-07-31
- ISO 1531:1973
- Fishing nets — Hanging of netting — Basic terms and definitions
- 1973-06-30
- ISO 1532:1973
- Fishing nets — Cutting knotted netting to shape ("tapering")
- 1973-06-30
- ISO 2628:1973
- Basic mode control procedures - Complements
- 1973-05-31
- ISO 2628:1973
- Basic mode control procedures - Complements
- 1973-05-31
- ISO 1034:1973
- Aircraft — Ground air-conditioning connections
- 1973-05-31
- ISO 2209:1973
- Liquid halogenated hydrocarbons for industrial use — Sampling
- 1973-05-31
- ISO 46:1973
- Aircraft — Fuel nozzle grounding plugs and sockets
- 1973-05-31
- ISO 2628:1973
- Basic mode control procedures — Complements
- 1973-05-31
