资质认证
- ISO 23840:2021
- Water hydraulics — Water-hydraulic pumps — Methods of testing and representing basic steady-state performance
- 2021-11-18
- ISO/TS 24289:2021
- Health informatics — Hierarchical file structure specification for secondary storage of health-related information
- 2021-11-18
- ISO/IEC 23001-16:2021
- Information technology — MPEG systems technologies — Part 16: Derived visual tracks in the ISO base media file format
- 2021-11-18
- ISO 56006:2021
- Innovation management — Tools and methods for strategic intelligence management — Guidance
- 2021-11-18
- ISO/TS 18683:2021
- Guidelines for safety and risk assessment of LNG fuel bunkering operations
- 2021-11-18
- ISO 23508:2021
- Solution-polymerized SBR — Evaluation methods of viscoelastic properties
- 2021-11-18
- ISO 5224:2021
- Rotorcrafts – Flight dynamics – Vocabulary
- 2021-11-18
- IEC 62037-3:2021
- Passive RF and microwave devices, intermodulation level measurement - Part 3: Measurement of passive intermodulation in coaxial connectors
- 2021-11-18
- IEC 62037-1:2021
- Passive RF and microwave devices, intermodulation level measurement - Part 1: General requirements and measuring methods
- 2021-11-18
- IEC 62037-1:2021 RLV
- Passive RF and microwave devices, intermodulation level measurement - Part 1: General requirements and measuring methods
- 2021-11-18
- IEC 62037-3:2021 RLV
- Passive RF and microwave devices, intermodulation level measurement - Part 3: Measurement of passive intermodulation in coaxial connectors
- 2021-11-18
- IEC 61000-2-10:2021
- Electromagnetic compatibility (EMC) - Part 2-10: Environment - Description of HEMP environment - Conducted disturbance
- 2021-11-17
- ISO/IEC 18328-2:2021
- Identification cards - ICC-managed devices - Part 2: Physical characteristics and test methods for cards with devices
- 2021-11-17
- IEC 62037-2:2021
- Passive RF and microwave devices, intermodulation level measurement - Part 2: Measurement of passive intermodulation in coaxial cable assemblies
- 2021-11-17
- ISO 5832-3:2021
- Implants for surgery — Metallic materials — Part 3: Wrought titanium 6-aluminium 4-vanadium alloy
- 2021-11-17
- ISO 6368:2021
- Petroleum, petrochemical and natural gas industries — Dry gas sealing systems for axial, centrifugal, and rotary screw compressors and expanders
- 2021-11-17
- ISO/IEC 18328-2:2021
- Identification cards — ICC-managed devices — Part 2: Physical characteristics and test methods for cards with devices
- 2021-11-17
- IEC TR 63400:2021
- Nuclear facilities - Instrumentation, control and electrical power systems important to safety - Structure of the IEC SC 45A standards series
- 2021-11-17
- IEC 60335-2-38:2021 RLV
- Household and similar electrical appliances - Safety - Part 2-38: Particular requirements for commercial electric griddles and griddle grills
- 2021-11-16
- IEC 60335-2-28:2021 RLV
- Household and similar electrical appliances - Safety - Part 2-28: Particular requirements for sewing machines
- 2021-11-16
