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GB/T 12005.1-1989 Determination of limiting viscosity number of polyacrylamide 聚丙烯酰胺特性粘数测定方法 - 英文版 |
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GB/T 4702.9-1985 Methods for chemical analysis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content 金属铬化学分析方法 结晶紫分光光度法测定锑量 - 英文版 |
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GB/T 3145-1982 Benzene--Determination of crystallizing point 苯结晶点测定法 - 英文版 |
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