ISO 11540-2021Writing and marking instruments — Specification for caps to reduce the risk of asphyxiation ISO 11540-2021Writing and marking instruments — Specification for caps to reduce the risk of asphyxiation

ISO 11540-2021Writing and marking instruments — Specification for caps to reduce the risk of asphyxiation

  • 标准类别:[ISO] 国际标准化组织标准
  • 标准大小:
  • 标准编号:ISO 11540-2021
  • 标准状态:
  • 更新时间:2022-04-01
  • 下载次数:
标准简介

ISO 11540-2021Writing and marking instruments — Specification for caps to reduce the risk of asphyxiation

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