Home / Standards / GB/T 25748-2025 GB/T 25748-2025 Upcoming Die casting magnesium alloys 压铸镁合金 Standard Type GBT ICS 77.120.20 CCS J31 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 国家标准委 Drafting Unit N/A