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行业标准2023.08.16

HG/T 5161-2017.Refrigerent blends R404 series.1范围HG/T 5161规定了混合制冷剂R404系列的要求、试验方法...

行业标准2023.08.16

HG/T 5162-2017.Refrigerent blends R410 series.1范围HG/T 5162规定了混合制冷剂R410系列的要求、试验方法...

行业标准2023.08.16

SN/T 2046-2015.Determination of lead , mercury , chromium , cadmium barium , ars...

行业标准2023.08.16

HG/T 5163-2017.Dipped vinylon cords for rubber hoses.1范围HG/T 5163规定了橡胶软管用浸胶维纶线的术...

行业标准2023.08.16

HG/T 5164-2017.Textile dyeing and finishing auxiliaries-Water- borne polyurethan...

行业标准2023.08.16

HG/T 5166-2017.Standard test method for performance of scale inhibitors for reve...

行业标准2023.08.16

HG/T 5169-2017.Technical specification for ion-exchange technology for treatment...

行业标准2023.08.16

SN/T 2120-2008.Protocol of quarantine for epizootic ulcerative syndrome.1范围SN/T...

行业标准2023.08.16

HG/T 5167-2017.Determination of carboxylate and sulfonate polymer in circulation...

行业标准2023.08.16