Locarno Classification for Industrial Designs
Refractory materials 103955
耐火材料
Chinese
耐火材料
English
Refractory materials
Spanish
Materiales refractarios
- Number
- 103955
- 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.)