Locarno Classification for Industrial Designs
Carbon paper 103054
复写纸
Chinese
复写纸
English
Carbon paper
Spanish
Papel carbón
- Number
- 103054
- 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.)