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Standards GB - Chinese national standards - Page 6323
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
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GB/T 16131-1995
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Standard method for hygienic examination of n-hexane in air of residential areas—Gas chromatography
WITHDRAWN published on 21.12.1995
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GB/T 16132-1995
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Standard method for determination of chloroform, trachloromethane in air of residential areas—Gas chromatography
WITHDRAWN published on 23.1.1996
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GB/T 16133-1995
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Primary screening examination for defects of vertebral column among children and adolescents
WITHDRAWN published on 23.1.1996
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GB/T 16134-1995
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Standards of physical examination records for students in elementary and middle schools
WITHDRAWN published on 23.1.1996
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GB/T 16135-1995
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Principles of estimate on personal dose from external exposure in radiation accident
WITHDRAWN published on 23.1.1996
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GB/T 16136-1995
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Radiological protection requirement for design of -ray teletherapy rooms
WITHDRAWN published on 23.1.1996
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GB/T 16137-1995
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Methods for estimation of examinee""s organ doses in X-ray diagnosis
WITHDRAWN published on 23.1.1996
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GB/T 16138-1995
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Guide for the use of potassium iodide in accident of radioiodine contamination
WITHDRAWN published on 23.1.1996
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GB/T 16139-1995
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Dose conversion coefficients for use in protection against neutron radiation
WITHDRAWN published on 23.1.1996
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GB 1614-1989
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WITHDRAWN published on 1.1.1989
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