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Locarno Classification for Industrial Designs

Subclass 26-04

Filaments for light bulbs 104188

灯泡的灯丝

Chinese 灯泡的灯丝
English Filaments for light bulbs
Spanish Filamentos para bombillas
Number
104188
Category
26-04 Luminous sources, electric or non-electric
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.)