资质认证
- IEC 60050-891:1998/AMD1:2018
- Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 891: Electrobiology
- 2018-10-16
- IEC 60050-806:1996/AMD2:2018
- Amendment 2 - International Electrotechnical Vocabulary (IEV) - Part 806: Recording and reproduction of audio and video
- 2018-10-16
- IEC 60050-801:1994/AMD1:2018
- Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 801: Acoustics and electroacoustics
- 2018-10-16
- IEC 60050-731:1991/AMD3:2018
- Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 731: Optical fibre communication
- 2018-10-16
- IEC 60050-723:1997/AMD4:2018
- Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 723: Broadcasting: Sound, television, data
- 2018-10-16
- IEC 60050-721:1991/AMD3:2018
- Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
- 2018-10-16
- IEC 60050-714:1992/AMD3:2018
- Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 714: Switching and signalling in telecommunications
- 2018-10-16
- IEC 60050-713/AMD3:2018
- Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 713: Radiocommunications: transmitters, receivers, networks and operation
- 2018-10-16
- IEC 60050-704:1993/AMD3:2018
- Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 704: Transmission
- 2018-10-16
- IEC 60050-702:1992/AMD4:2018
- Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 702: Oscillations, signals and related devices
- 2018-10-16
- IEC 60050-161:1990/AMD8:2018
- Amendment 8 - International Electrotechnical Vocabulary (IEV) - Part 161: Electromagnetic compatibility
- 2018-10-16
- ISO 2030:2018
- Granulated cork — Size analysis by mechanical sieving
- 2018-10-16
- ISO 17279-2:2018
- Welding — Micro joining of 2nd generation high temperature superconductors — Part 2: Qualification for welding and testing personnel
- 2018-10-16
- ISO 11961:2018
- Petroleum and natural gas industries — Steel drill pipe
- 2018-10-16
- ISO 6425:2018
- Horology — Divers' watches
- 2018-10-16
- IEC 60050-726:1982/AMD3:2018
- Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 726: Transmission lines and waveguides
- 2018-10-16
- ISO 18400-104:2018
- Soil quality — Sampling — Part 104: Strategies
- 2018-10-15
- ISO 4945:2018
- Steel — Determination of nitrogen — Spectrophotometric method
- 2018-10-15
- ISO 18400-205:2018
- Soil quality — Sampling — Part 205: Guidance on the procedure for investigation of natural, near-natural and cultivated sites
- 2018-10-15
- ISO 6974-3:2018
- Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 3: Precision and bias
- 2018-10-15
