Aviation oxygen masks
- 条目编号
- 009-5803
- 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
- 06/11/2020
- 尼斯版本
- 11-2020
- TM5 通用条目
- 是
官方备注
Aviation oxygen masks are classified in Class 9 based on the wording "life-saving apparatus and instruments" in the Nice Class 9 Heading and by analogy to "respiratory masks, other than for artificial respiration" in the Nice Alphabetical List in Class 9.
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