Locarno Classification for Industrial Designs
Telephone exchanges 102493
电话交换机
Chinese
电话交换机
English
Telephone exchanges
Spanish
centrales telefónicas
- Number
- 102493
- 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.)