Skip to main content
Back to Directory Index

Locarno Classification for Industrial Designs

Subclass 23-04

Ventilation valves 103769

通风阀

Chinese 通风阀
English Ventilation valves
Spanish Válvulas de ventilación
Number
103769
Category
23-04 Ventilation and air-conditioning equipment
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.)