China GB GB Standards Search System

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, Purchase services.

China "GB" GB Standards List:

Standard Code	GB Standard Title	Standard Class
GB/T 23595.4-2009	Test methods of rare earth yellow phosphor for white LED lamps - Part 4: Determination of thermostability	China National Standards
GB/T 23595.3-2009	Test methods of rare earth yellow phosphor for white LED lamps - Part 3: Determination of chromaticity coordinates	China National Standards
GB/T 23595.2-2009	Test methods of rare earth yellow phosphor for white LED lamps - Part 2: Determination of relative brightness	China National Standards
GB/T 23595.1-2009	Test methods of rare earth yellow phosphor for white LED lamps - Part 1: Determination of spectrum property	China National Standards
GB/T 23594.2-2009	Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates - Part 2: Determination of fifteen rare earth oxide relative contents - Inductively coupled plasma emission spectrometry	China National Standards
GB/T 23594.1-2009	Chemical analysis methods of rare earth contents in samarium-europium-gadolinium concentrates - Part 1: Determination of total rare earth oxide content - Gravimetry	China National Standards
GB/T 23593-2009	Yttrium-europium-gadolinium oxide	China National Standards
GB/T 23592-2009	Catalyst for motorcycle exhaust purification	China National Standards
GB/T 23591-2009	Lanthanum-cerium-terbium oxide	China National Standards
GB/T 23590-2009	Praseodymium-neodymium fluoride	China National Standards
GB/T 23589-2009	Gadolinium oxalate	China National Standards
GB/T 23588-2009	Scraps of neodymium iron boron	China National Standards
GB/T 18881-2009	Catalyst for light-duty petrol vehicle exhaust purification	China National Standards
GB/T 16482-2009	Yttrium-europium oxide-phosphor grade	China National Standards
GB/T 13560-2009	Materials for sintered neodymium iron boron permanent magnets	China National Standards
GB/T 12144-2009	Terbium oxide	China National Standards
GB/T 6409.2-2009	Superabrasives - Diamond or cubic boron nitride grinding tools - Shapes and dimensions	China National Standards
GB/T 2481.2-2009	Bonded abrasives - Determination and designation of grain size distribution - Part 2: Microgrits	China National Standards
GB/T 23541-2009	Bonded abrasive products - Grinding wheel for steel balls	China National Standards
GB/T 23540-2009	Coated abrasives - Flap wheels with incorporated flanges or separate flanges	China National Standards
GB/T 23539-2009	Coated abrasives - Flap wheels with shaft	China National Standards
GB/T 23538-2009	Conventional abrasive - Testing method for toughness ( Ball mill method )	China National Standards
GB/T 23537-2009	Superabrasives - Limit deviations and run-out tolerances for grinding wheels with diamond or cubic boron nitride and mounted points	China National Standards
GB/T 23536-2009	Superabrasive - Types of synthetic diamond	China National Standards
GB/T 21944.4-2009	Special products of silicon carbide - Kiln furniture of reaction bonded silicon carbide - Part 4：Burner nozzle	China National Standards
GB/T 21944.2-2009	Special products of silicon carbide - Kiln furniture of reaction bonded silicon carbide - Part 2：Special beam	China National Standards
GB/T 20316.1-2009	Abrasive grains - Determination of bulk density - Part 1: Macrogrits	China National Standards
GB/T 16458-2009	Terminology for abrasives and abrasive products	China National Standards
GB/T 16457.2-2009	Blanks for superabrasive cutting-off wheels - Dimensions - Part 2：Hand-held cutting-off in building and civil engineering	China National Standards
GB/T 16457.1-2009	Blanks for superabrasive cutting-off wheels - Dimensions - Part 1：Manually guided cutting-off in building and civil engineering	China National Standards

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