
Cycles—Lighting and retro-reflective devices—Part 4: Lighting systems powered by the cycle""s movement
NORM herausgegeben am 31.10.2025
Designation standards: GB/T 31887.4-2025
Note: Execute Date: may 2026
Publication date standards: 31.10.2025
Country: Chinese technical standard
Kategorie: Technische Normen GB