Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 11094-2007 Horizontal bridgman grown gallium arsenide single crystal and cutting wafer 180.0 via email in 1~3 business day valid
GB/T 20230-2006 Indium phosphide single crystal 90.0 via email in 1~3 business day valid
YS/T 792-2012 Carbon-carbon composites crucible used in single crystal furnace 180.0 via email in 1~3 business day valid
GB/T 30868-2014 GB/T 30868-2014 105.0 via email in 1~3 business day valid
GB/T 20228-2006 Gallium arsenide single crystal 90.0 via email in 1~3 business day valid
GB/T 30855-2014 GaP substrates for LED epitaxial chips 225.0 via email in 1~3 business day valid
YS/T 978-2014 Carbon/carbon composites guide shield of single crystal furnace 165.0 via email in 1~3 business day valid
GB/T 30656-2014 225.0 via email in 1~3 business day valid
GB/T 11072-2009 Indium antimonide polycrystal,single crystals and as-cut slices 180.0 via email in 1~3 business day valid
GB/T 20229-2006 Gallium phosphide single crystal 90.0 via email in 1~3 business day valid
YS/T 13-2015 225.0 via email in 1~3 business day valid
GB/T 30854-2014 Gallium nitride based epitaxial layer for LED lighting 375.0 via email in 1~5 business day valid
GB/T 11093-2007 Liquid encapsulated czochralski-grown gallium arsenide single crystals and as-cut slices 210.0 via email in 1~3 business day valid
SJ/T 11396-2009 The sapphire substrates for nitride based light-emitting diode 195.0 via email in 1~3 business day valid
GB/T 30856-2014 GaAs substrates for LED epitaxial chips 225.0 via email in 1~3 business day valid
GB/T 30867-2014 Test method for measuring thickness and total thickness variation of monocrystalline silicon carbide wafers 105.0 via email in 1~3 business day valid
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