
Ductile iron pipes, fittings and accessories—External zinc-based coating—Part 1Metallic zinc and zinc alloy with finishing layer
NORM herausgegeben am 29.8.2025
Designation standards: GB/T 17456.1-2025
Note: Execute Date: march 2026
Publication date standards: 29.8.2025
Country: Chinese technical standard
Kategorie: Technische Normen GB