声学膜 009-749
中文
声学膜
英文
Acoustic membranes
西班牙文
Membranas acústicas
- Term ID
- 009-749
- 类号
- 09
- 类型
- 商品
- 状态
- 有效 · 已修改(M)
- 生效日
- 2002-01-01
- 版本
- 08-2002
官方英文注释
Specification of use was deleted from this entry because the item is clearly stated and is always used in sound recording or reproducing apparatus, all of which are in Class 9.