Locarno Classification for Industrial Designs
Sewer manholes 104822
下水道检修孔
Chinese
下水道检修孔
English
Sewer manholes
Spanish
pozos de registro de alcantarillado
- Number
- 104822
- 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.)