Home / Standards / GB/T 46583-2025 GB/T 46583-2025 Active Test methods for dielectric properties of microwave dielectric ceramics—Open cavity method and closed cavity method 微波介质陶瓷介电性能测试方法 开腔法、闭腔法 Standard Type GBT ICS 81.060.30 CCS Q30 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A