We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Equipments and components used in cabled distribution systems primarily intended for television and sound signals--Part 5:Generic specifications for channel converter
WITHDRAWN published on 9.9.1996
Selected format:Equipments and components used in cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz--Inspection provisions
WITHDRAWN published on 1.1.1989
Selected format:Equipments and components used in cabled distribution systems primarily intended for television and sound signals. Part 6: Grneric specifications for combiners
WITHDRAWN published on 9.9.1996
Selected format:Equipments and components used in cabled distribution systems primarily intended for television and sound signals. Part 7: Grneric specifications for amplifier
WITHDRAWN published on 9.9.1996
Selected format:Specification of plastic parts for color television sets
WITHDRAWN published on 1.1.1989
Selected format:Machine reamers with parallel shanks
WITHDRAWN published on 6.12.1973
Selected format:Machine chucking reamers with parallel shanks or Morse taper shanks
WITHDRAWN published on 10.2.2004
Selected format:Guide to the design of radio-frequency coaxial cables
WITHDRAWN published on 1.1.1989
Selected format:Radio-frequency cables—Part 0:Guide to the design of detail specifications Section 1—Coaxial cables
WITHDRAWN published on 13.10.1997
Selected format:General requirements and tests for single-unit coaxial cables for use in cabled distribution systems
WITHDRAWN published on 31.3.1989
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
© Copyright 2025 NORMSERVIS s.r.o.