GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
GB 29964-2013
GB 30530-2024
Norm of energy consumption per unit production of dimethyl siloxane
HG/T 5797\uff5e5798-2021
HG/T 5797-2021
Methyl disiIazane coupling agents
GB 28339-2012
GB/T 20436-2006
Dimethylsiloxane cyclics mixture
HG/T 6157-2023
HG/T 5868-2021
Technical specification for green-design product assessment-Polytetrarmethylene ether glycol
GB/T 25254-2010
Poly-(tetra methylene ether glycol) (PTMEG) for industrial
HG/T 6315-2024
HG/T 5798-2021
Methyl divinyl disiloxane/disilazane coupling agent
QB/T 2242-2011
HG/T 5867\uff5e5868-2021
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
T/CIESC 0043-2022
GB 30612-2014
GB 5009.254-2016
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
T/SXCIA 001-2024