


资质认证
- ISO 2036:1976
- Wood for manufacture of wood flooring — Symbols for marking according to species
- 1976-02-29
- ISO 1549:1976
- Aircraft — Precision fuse-links — Type B
- 1976-02-29
- ISO 3508:1976
- Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO 262
- 1976-01-31
- ISO 746:1976
- Sodium carbonate for industrial use — Determination of matter insoluble in water at 50 degrees C
- 1976-01-31
- ISO 3158:1976
- Timekeeping instruments — Symbolization of control positions
- 1976-01-31
- ISO 3514:1976
- Chlorinated polyvinyl chloride (CPVC) pipes and fittings — Specification and determination of density
- 1976-01-31
- ISO 3572:1976
- Textiles — Weaves — Definitions of general terms and basic weaves
- 1976-01-31
- ISO 2854:1976
- Statistical interpretation of data — Techniques of estimation and tests relating to means and variances
- 1976-01-31
- ISO 1686:1976
- Sodium and potassium silicates for industrial use — Samples and methods of test — General
- 1976-01-31
- ISO 1689:1976
- Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
- 1976-01-31
- ISO 1690:1976
- Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
- 1976-01-31
- ISO 794:1976
- Magnesium and magnesium alloys — Determination of copper content — Oxalyldihydrazide photometric method
- 1976-01-31
- ISO 740:1976
- Sodium carbonate for industrial use — Determination of total soluble alkalinity — Titrimetric method
- 1976-01-31
- ISO 795:1976
- Aluminium and aluminium alloys — Determination of copper content — Oxalyldihydrazide photometric method
- 1976-01-31
- ISO 3282:1976
- Aircraft — Dimensions for single-hole and triple-hole mounting (Class 3) lever-operated manual switches
- 1976-01-31
- ISO 739:1976
- Sodium carbonate for industrial use — Preparation and storage of test samples
- 1976-01-31
- IEC 60130-12:1976
- Connectors for frequencies below 3 MHz. Part 12: Link and test connectors
- 1975-12-31
- IEC 60235-2E:1976
- Measurement of the electrical properties of microwave tubes - Part 2: General measurements - Fifth supplement
- 1975-12-31
- IEC 60235-2D:1976
- Measurement of the electrical properties of microwave tubes - Part 2: General measurements - Fourth supplement
- 1975-12-31
- IEC 60235-2C:1976
- Measurement of the electrical properties of microwave tubes - Part 2: General measurements - Third supplement
- 1975-12-31