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GB/T 8151.17-2012
锌精矿化学分析方法 第17部分:锌量的测定 氢氧化物沉淀-Na2EDTA滴定法
Methods for chemical analysis of zinc concentrates - Part 17:Determination of zinc content - Hydroxide precipitation and Na2EDTA titrimetric method
GB/T 29257-2012
Textiles - Evaluation of the wrinkle recovery of fabrics - Appearance method
GB 12021.4-2013
The maximum allowable values of the energy,water consumption and grades for household electric washing machines
GB/T 7385-2012
非离子型表面活性剂 聚乙氧基化衍生物中氧乙烯基含量的测定 碘量法
Non-ionic surface active agents - Polyethoxylated derivatives - Iodometric determination of oxyethylene groups
GB/T 29628-2013
Guides for methods of measurement of the magnetic properties of permanent(magnetically hard)materials by pulsed field magnetometry
GB/Z 29630-2013
Static var compensators (SVC) - System design and application guidelines
GB/T 8151.2-2012
Methods for chemical analysis of zinc concentrates - Part 2:Determination of sulfur content - The combustion neutralization titrimetric method
GB/T 8151.14-2012
锌精矿化学分析方法 第14部分:镍量的测定 火焰原子吸收光谱法
Methods for chemical analysis of zinc concentrates - Part 14: Determination of nickel content - The flame atomic absorption spectrometric method