GB/T 13658-2015
Polymethylene polyphenylene isocyanate
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
GB/T 12009.3-2009
Plastics - Polymethylene polyphenyl isocyanate - Part 3: Determination of viscosity
HG/T 5687-2020
1,3,3-Trimethy-2-methyleneindoline
HG/T 3777-2023
HG/T 5072-2016
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
HG/T 5073-2016
Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide
GB/T 22591-2008
Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
HG/T 5652\uff5e5654-2019
HG/T 5654-2019
GB/T 13658-1992
Polymethylene polyphenylene isocyanate
HG/T 2841-2023
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene 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)
HG/T 5072~5074-2016
GB/T 12009.3-1989
Polymethylene polyphenyl isocyanate—Determination of viscosity
HG/T 6315-2024
HG/T 5687\uff5e5688-2020