Standards GB - Chinese national standards - Page 6090

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GB/T 14617.1-1993 WITHDRAWN

Propagation characteristics in land mobile service and fixed service—Part 1:Propagation characteristics in land mobile service

WITHDRAWN published on 14.9.1993

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GB/T 14617.2-1993 WITHDRAWN

Propagation characteristics in land mobile service and fixed service—Part 2:Propagation characteristics for the terrestrial fixed service in 1001000 MHz

WITHDRAWN published on 14.9.1993

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718.80 USD

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GB/T 14617.3-1993 WITHDRAWN

Propagation characteristics in land mobile service and fixed service—Part 3:Propagation characteristics of line-of-sight radio relay communication systems

WITHDRAWN published on 15.9.1993

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