


资质认证
- ISO/IEC 33020:2019
- Information technology - Process assessment - Process measurement framework for assessment of process capability
- 2019-11-25
- ISO 10110-12:2019
- Optics and photonics — Preparation of drawings for optical elements and systems — Part 12: Aspheric surfaces
- 2019-11-25
- ISO 22055:2019
- Switch and crossing rails
- 2019-11-25
- ISO 10993-15:2019
- Biological evaluation of medical devices — Part 15: Identification and quantification of degradation products from metals and alloys
- 2019-11-25
- ISO 6336-3:2019
- Calculation of load capacity of spur and helical gears — Part 3: Calculation of tooth bending strength
- 2019-11-25
- ISO 10993-9:2019
- Biological evaluation of medical devices — Part 9: Framework for identification and quantification of potential degradation products
- 2019-11-25
- ISO 7870-1:2019
- Control charts — Part 1: General guidelines
- 2019-11-25
- ISO 10581:2019
- Resilient floor coverings — Homogeneous poly(vinyl chloride) floor covering — Specifications
- 2019-11-25
- ISO 6336-2:2019
- Calculation of load capacity of spur and helical gears — Part 2: Calculation of surface durability (pitting)
- 2019-11-25
- ISO 20290-3:2019
- Aggregates for concrete — Test methods for mechanical and physical properties — Part 3: Determination of aggregate crushing value (ACV)
- 2019-11-25
- ISO 6336-6:2019
- Calculation of load capacity of spur and helical gears — Part 6: Calculation of service life under variable load
- 2019-11-25
- ISO 815-1:2019
- Rubber, vulcanized or thermoplastic — Determination of compression set — Part 1: At ambient or elevated temperatures
- 2019-11-25
- ISO 815-2:2019
- Rubber, vulcanized or thermoplastic — Determination of compression set — Part 2: At low temperatures
- 2019-11-25
- IEC 61810-1:2015/AMD1:2019
- Amendment 1 - Electromechanical elementary relays - Part 1: General and safety requirements
- 2019-11-24
- IEC 60754-2:2011+AMD1:2019 CSV
- Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity
- 2019-11-24
- IEC 61810-1:2015+AMD1:2019 CSV
- Electromechanical elementary relays - Part 1: General and safety requirements
- 2019-11-24
- IEC 60754-1:2011/AMD1:2019
- Amendment 1 - Test on gases evolved during combustion of materials from cables - Part 1: Determination of the halogen acid gas content
- 2019-11-24
- IEC 60754-2:2011/AMD1:2019
- Amendment 1 - Test on gases evolved during combustion of materials from cables - Part 2: Determination of acidity (by pH measurement) and conductivity
- 2019-11-24
- IEC 60754-1:2011+AMD1:2019 CSV
- Test on gases evolved during combustion of materials from cables - Part 1: Determination of the halogen acid gas content
- 2019-11-24
- ISO 536:2019
- Paper and board — Determination of grammage
- 2019-11-24