GB/T 32159-2015
Coking pure pyridine
GB/T 27567-2011
Pyridine for industrial use
GB/T 24199-2009
Refined pyridine - Determination of pyridine content - Gas chromatographic method
YB/T 5070-2014
α-methyl pyridine
GB/T 27715-2011
3-methylpyridine for industrial use
GB/T 689-1998
Chemical reagent--Pyridine
YB/T 5071-2015
β-methyl pyridine fraction
GB/T 30915-2014
A-hydroxy polyether polyols
YB/T 5072-2014
Determination of pyridine and homologues contents of curde light pyridine
GB 23101.1-2008
Implants for surgery—Hydroxyapatite—Part 1:Ceramic hydroxyapatite
GB 23101.2-2008
Implants for surgery—Hydroxyapatite—Part 2:Coatings of hydroxyapatite
HG/T 4875~4877-2016
GB/T 16577-2010
Plastics - Tetrahydroxy polyether polyols
GB/T 16576-2010
Plastics - Trihydroxy polyether polyols
GB/T 26324-2010
1-Hydroxyethylidene-1,1-diphosphonate acid
GB/T 15594-2010
Plastics - Octahydroxy polyether polyols
NY/T 4383-2023
HG/T 4478-2012
HG/T 4477-2012
HG/T 4428-2012