13/30269918 DC 标准详情
- 标准号:13/30269918 DC
- 中文标题:
- 英文标题:Bs En 62489-1 Ed 1.0/A1 - Electroacoustics - Audio-Frequency Induction Loop Systems For Assisted Hearing - Part 1: Methods Of Measuring And Specifying The Performance Of System Components
- 标准类别:其他国内外OTHERSS
- 发布日期: