Inkless pens
- 条目编号
- 016-2521
- 所属类别
- 第16类 纸品文具
- 状态
- 有效（A）
- 类型
- 商品
- 生效日期
- 02/12/2020
- 尼斯版本
- 11-2020
- TM5 通用条目
- 是
官方备注
Inkless pens are writing pens featuring specialized metal tips that allow users to write indefinitely without using ink.
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