GB/T 21395-2024
Dimethyl sulfoxide
GB/T 13658-2015
Polymethylene polyphenylene isocyanate
GB/T 37042-2018
Hexamethylene diisocyanate
HG/T 5687-2020
1,3,3-Trimethy-2-methyleneindoline
GB/T 27812-2011
Water treatment chemicals - Polyamino Polyether Methylene Phosphonate (PAPEMP)
GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
GB 34464-2017
Feed additive—Menadione dimethylpyrimidinol bisulfite
GB/T 22591-2008
Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
HG/T 5687\uff5e5688-2020
DB43/T 2200-2021
HG/T 6010-2022
GB/T 6730.38-2017(\u82f1\u6587\u7248)
铁矿石 钴含量的测定 亚硝基-R盐分光光度法
HG/T 3777-2023
HG/T 2841-2023
GB/T 12009.3-2009
Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity
HG/T 6144-2023
QB/T 5491-2020
Polymethacrylimide foam board
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
HG/T 4328-2012
Water theatment chemical-Sodium salt of aminotrimethylene phosphonic acid
HG/T 2840-2010
Water treatment chemicals-Amino trimethylene phosphonic acid (solid)