GB/T 38402-2019皮革和毛皮化学试验六价铬含量的测定:色谱法标准
英文:Leather and fur—Chemical tests—Determination of chromium(VI) content:Chromatographic method GB/T 38402-2019介绍: 国家标准《皮...
英文:Leather and fur—Chemical tests—Determination of chromium(VI) content:Chromatographic method GB/T 38402-2019介绍: 国家标准《皮...