GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 30856-2014 |
GaAs substrates for LED epitaxial chips LED外延芯片用砷化镓衬底 |
China National Standards GaAs |
English PDF |
GB/T 24576-2009 |
Test method for measuring the Al fraction in AlGaAs on GaAs substrates by high resolution X-ray diffraction 高分辩率X射线衍射测量GaAs衬底生长的AlGaAs中Al成分的试验方法 |
China National Standards GaAs |
English PDF |
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