Home / Standards / GB/T 46892-2025 GB/T 46892-2025 Upcoming Test method for thermal conductivity of electronic circuit boards for high-brightness LEDs 高亮度LED用印制板热导率测试方法 Standard Type GBT ICS 31.180 CCS L30 Status 即将实施 Issue Date 2025-12-31 Implementation 2026-07-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A