Home / Standards / GB/T 45925-2025 GB/T 45925-2025 Active Coating-etched glass for enhancing millimeter wave signal transmission 毫米波信号增强玻璃 Standard Type GBT ICS 81.040 CCS Q 33 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A