HG/T 5619-2019
GB/T 21395-2024
Dimethyl sulfoxide
HG/T 6144-2023
GB/T 21395-2008
Dimethyl sulfoxide
HG/T 5616\uff5e5619-2019
GB/T 15045-2013
Fatty alkyl dimethyl tertiary amines
HG/T 5845\uff5e5848-2021
GB/T 23953-2009
Dimethyldichlorosilane for industrial use
GB/T 26603-2011
N,N-Dimethy aniline
GB/T 26458-2011
Fatty alkyl dimethyl amine oxides
HG/T 2366-2015
Polydimethylsiloxane trimethylsiloxy terminated
GB/T 20436-2006
Dimethylsiloxane cyclics mixture
QB/T 4646-2014
Dimethyl benzyl carbinyl butyrate
QB/T 4658-2014
Dimethyl benzyl carbinyl acetate
HG/T 4470-2012
HG/T 4417-2012
HG/T 6157-2023
HG/T 5848-2021
2,4-Dimethylacetoacetanilide
QB/T 4534-2013
Fatty alkylamidopropyldimethyl amines
QB/T 2750-2012