Home / Standards / GB/T 45329-2025 GB/T 45329-2025 Active Precious metals and their alloys wrought for ignition electrodes 点火电极用贵金属及其合金加工材 Standard Type GBT ICS 77.150.99 CCS H68 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A