he_aqi 发表于 2009-2-5 15:53:37

ASTM D5817-03a碳黑,颗粒缩径和大型样品混合用标准规程

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<P>ASTM D5817-03a碳黑,颗粒缩径和大型样品混合用标准规程</P>
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<P>Standard Practice for<BR>Carbon Black, Pelleted—Reduction, Blending, and Drying of<BR>Gross Samples for Testing1</P>
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