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Number of entries (Data is updated on a monthly basis): 47733
GB/T 11848.1-2008
铀矿石浓缩物分析方法 第1部分:硫酸亚铁还原-重铬酸钾滴定法测定铀
Methods for analysis of uranium ore concentrate - Part 1: Determination of uranium by ferrous sulfate reducion potassion dichromate titrimetry
GB/T 3478.7-2008
圆柱直齿渐开线花键 （米制模数 齿侧配合） 第7部分:37.5°压力角M值和W值
Straight cylindrical involute splines - Metric module, side fit - Part 7: 37.5°pressure angle M and W values
Number of entries (Data is updated on a monthly basis): 47733