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GB/T 34323-2017 Carbon black—Determination of light transmittance of water dispersion—Spectrophotometer method 炭黑 水分散体透光率的测定 分光光度计法 - 中英文版 |
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GB/T 10722-2014 Carbon black—Determination of total and external surface area―Nitrogen adsorption test method 炭黑 总表面积和外表面积的测定 氮吸附法 - 中英文版 |
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