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GB - Chinese national standards - Page 121

Standards GB - Chinese national standards - Page 121

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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Publication year
Preview GB/T 11450.4-1989 30.6.1989
GB/T 11450.4-1989

Hollow metallic waveguides--Part 4:Relevant specifications for circular waveguides

Standard published on 30.6.1989

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electronic design (pdf) (261.30 USD)


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261.30 USD


in 3 working days
Preview GB/T 11450.5-1989 30.6.1989
GB/T 11450.5-1989

Hollow metallic waveguides--Part 6:Relevant specifications for medium flat rectangular waveguides

Standard published on 30.6.1989

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electronic design (pdf) (173.80 USD)


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173.80 USD


in 2 working days
Preview GB/T 11450.6-1989 30.6.1989
GB/T 11450.6-1989

Hollow metallic waveguides--Part 7:Relevant specifications for square waveguides

Standard published on 30.6.1989

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electronic design (pdf) (198.80 USD)


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198.80 USD


in 2 working days
Preview GB/T 11451-1989 30.6.1989
GB/T 11451-1989

Flexible waveguide assembly performance

Standard published on 30.6.1989

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electronic design (pdf) (573.80 USD)


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573.80 USD


in 3 working days
Preview GB/T 11457-2006 14.3.2006
GB/T 11457-2006

Information technology Software engineering terminology

Standard published on 14.3.2006

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electronic design (pdf) (1887.50 USD)


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1 887.50 USD


IN STOCK
Preview GB/T 1146-2009 30.9.2009
GB/T 1146-2009

Bubble

Standard published on 30.9.2009

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electronic design (pdf) (523.80 USD)


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523.80 USD


in 3 working days
Preview GB/T 11460-2009 30.9.2009
GB/T 11460-2009

Information technology - Requirements and test method of the chinese ideograms font

Standard published on 30.9.2009

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electronic design (pdf) (173.80 USD)


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173.80 USD


in 3 working days
Preview GB/T 11460-2025 5.10.2025
GB/T 11460-2025

Information technology—Requirements and test method for the Chinese ideograms font
Execute Date: may 2026

Standard published on 5.10.2025

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electronic design (pdf) (448.80 USD)


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448.80 USD


in 4 working days
Preview GB/T 11461-2013 17.12.2013
GB/T 11461-2013

General specification for spectrum analyzer

Standard published on 17.12.2013

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electronic design (pdf) (986.30 USD)


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986.30 USD


in 6 working days
Preview GB/T 11463-1989 31.3.1989
GB/T 11463-1989

Reliability test for electronic measuring instruments

Standard published on 31.3.1989

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electronic design (pdf) (1011.30 USD)


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1 011.30 USD


in 4 working days

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