GB/T 31887.4-2025

Cycles—Lighting and retro-reflective devices—Part 4: Lighting systems powered by the cycle""s movement

STANDARD published on 31.10.2025

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The information about the standard:

Designation standards: GB/T 31887.4-2025
Note: Execute Date: may 2026
Publication date standards: 31.10.2025
Country: Chinese technical standard
Category: Technical standards GB