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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.)