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[GB/T 1997-2008] 焦炭试样的采取和制备[现行]
发布时间：1980-08-15
实施时间：2009-10-01
本标准代替GB/T 1997-1989 《焦炭试样的采取和制备》。本标准规定了焦炭取样和制备的相关术..
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