GB/T 41175-2021视力障碍者和视听障碍者用辅助器具  行人交通信号灯的声音和触觉信号Assistive products for persons with vision impairments and persons with vision and hearing impairments—Acoustic and tactile signals for pedestrian traffic lights GB/T 41175-2021视力障碍者和视听障碍者用辅助器具  行人交通信号灯的声音和触觉信号Assistive products for persons with vision impairments and persons with vision and hearing impairments—Acoustic and tactile signals for pedestrian traffic lights

GB/T 41175-2021视力障碍者和视听障碍者用辅助器具 行人交通信号灯的声音和触觉信号Assistive products for persons with vision impairments and persons with vision and hearing impairments—Acoustic and tactile signals for pedestrian traffic lights

  • 标准类别:[GB] 国家标准
  • 标准大小:
  • 标准编号:GB/T 41175-2021
  • 标准状态:
  • 更新时间:2022-03-23
  • 下载次数:
标准简介

GB/T 41175-2021视力障碍者和视听障碍者用辅助器具 行人交通信号灯的声音和触觉信号Assistive products for persons with vision impairments and persons with vision and hearing impairments—Acoustic and tactile signals for pedestrian traffic lights

标准截图
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