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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.)