Home / Standards / GB/T 19822-2024 GB/T 19822-2024 Active Specification for hard anodic oxidation coatings on aluminium and its alloys 铝及铝合金硬质阳极氧化膜规范 Standard Type GBT ICS 25.220.40 CCS A 29 Status 现行 Issue Date 2024-06-29 Implementation 2025-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A