Locarno Classification for Industrial Designs
Acoustic building elements 103985
声学建筑元件
Chinese
声学建筑元件
English
Acoustic building elements
Spanish
elementos acústicos de construcción
- Number
- 103985
- Category
- 25-01 Building materials
- Version
- Locarno Classification, 15th edition (LOC 15, in force from 1 Jan 2025); English from the WIPO official text, Chinese from CNIPA's International Classification for Industrial Designs (15th ed.)