Locarno Classification for Industrial Designs
Tufa stones 103989
凝灰岩石
Chinese
凝灰岩石
English
Tufa stones
Spanish
Piedras de toba
- Number
- 103989
- 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.)