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  • Quartz component inspection and testing standards
    SJ / Z9154.1-87 (IEC444-1 (1986)) with π Network Zero Phase Measurement of quartz crystal ...
    2014/6/9
  • Quartz resonator standards
    GB / T 12273-1996 (IEC1178-1: 1993) quartz crystal components - quality assessment Electro...
    2014/6/9

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