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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Chemical reagent—General method for the determination of density
Standard published on 20.8.2021
Selected format:Drawing dies—Carbide alloy drawing dies—Structural types and dimensions
Standard published on 20.8.2021
Selected format:Thermoplastics piping systems for the conveyance of fluids—Determination of the resistance to internal pressure
Standard published on 15.3.2018
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-1: Radio disturbance and immunity measuring apparatus—Measuring apparatus
Standard published on 31.12.2021
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-2: Radio disturbance and immunity measuring apparatus—Coupling devices for conducted disturbance measurements
Standard published on 31.10.2025
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-3: Radio disturbance and immunity measuring apparatus—Ancillary equipment—Disturbances power
Standard published on 21.5.2021
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-4:Radio disturbance and immunity measuring apparatus—Antennas and test sites for radiated disturbance measurements
Standard published on 31.12.2025
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-5:Radio disturbance and immunity measuring apparatus—Antenna calibration sites and refernce test sites for 5 MHz to 18 GHz
Standard published on 28.12.2018
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-6: Radio disturbance and immunity measuring apparatus—EMC antenna calibration
Standard published on 29.6.2024
Selected format:Specification for radio disturbance and immunity measuring apparatus and methods—Part 2-1:Methods of measurement of disturbances and immunity—Conducted disturbance measurements
Standard published on 31.10.2025
Selected format:Latest update: 2026-08-25 (Number of items: 2 298 362)
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