Electrical annunciators
- 条目编号
- 009-4928
- 所属类别
- 第9类 科学仪器软件
- 状态
- 有效（A）
- 类型
- 商品
- 生效日期
- 02/11/2016
- 尼斯版本
- 10-2016
- TM5 通用条目
- 否
官方备注
Electrical annunciators are signaling apparatus that display a visual indication when charged by electric current.
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