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Number of entries (Data is updated on a monthly basis): 46674
GB/T 20485.15-2010
振动与冲击传感器校准方法 第15部分:激光干涉法角振动绝对校准
Methods for the calibration of vibration and shock transducers - Part 15: Primary angular vibration calibration by laser interferometry
GB/T 14506.5-2010
Methods for chemical analysis of silicate rocks - Part 5: Determination of ferric oxide content
GB/T 14506.6-2010
Methods for chemical analysis of silicate rocks - Part 6: Determination of calcium oxide content
GB/T 14506.7-2010
Methods for chemical analysis of silicate rocks - Part 7: Determination of magnesium oxide content
Number of entries (Data is updated on a monthly basis): 46674