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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
Local telecommunication cables with polyolefin insulation and polyolefin sheath--Part 2:Unfilledmoisture barrier polyethylene sheathed local telecommunication cables with copper conductors and solid or cellular polyolefin insulation
Standard published on 28.12.1993
Selected format:Local telecommunication cables with polyolefin insulation and polyolefin sheath--Part 3:Filledmoisture barrier polyethylene sheathed local telecommunication cables with copper conductors and solid or cellular polyolefin insulation
Standard published on 28.12.1993
Selected format:Local telecommunication cables with polyolefin insulation and polyolefin sheath--Part 4:Unfilledmoisture barrier polyethylene sheathed local telecommunication cables with copper conductorssolid polyolefin insulation and integral suspension strand
Standard published on 28.12.1993
Selected format:Local telecommunication cables with polyolefin insulation and polyolefin sheath--Part 5:Moisture barrier polyethylene sheathed and seperated(inner-screened)local telecommunication cables with copper conductors and solid or cellular polyolefin insulation
Standard published on 28.12.1993
Selected format:Electrical measuring transducers for converting a.c. electrical quantities to analogue or digital singals
Standard published on 23.7.1998
Selected format:
Electrical measuring transducers for converting AC and DC electrical quantities to analogue or digital signals
Execute Date: may 2026
Standard published on 5.10.2025
Selected format:Traffic safety signs on inland waterways
Standard published on 29.12.2022
Selected format:General specification of hydraulic control valves for ship
Standard published on 9.3.2009
Selected format:General specification for hydraulic pumps and motors of ship
Standard published on 9.3.2009
Selected format:Jet-pipe electro-hydraulic servo valve
Standard published on 29.8.2025
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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