SJ 3269-1989电真空器件用镀铜铁丝和镀镍铜铁丝Copper-plated Iron wire and Nickel-plated Iron wire for vacuum divices SJ 3269-1989电真空器件用镀铜铁丝和镀镍铜铁丝Copper-plated Iron wire and Nickel-plated Iron wire for vacuum divices

SJ 3269-1989电真空器件用镀铜铁丝和镀镍铜铁丝Copper-plated Iron wire and Nickel-plated Iron wire for vacuum divices

  • 标准类别:[SJ] 电子行业标准
  • 标准大小:
  • 标准编号:SJ 3269-1989
  • 标准状态:现行
  • 更新时间:2022-09-07
  • 下载次数:
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