Home / Standards / GB 5594.4-85 GB 5594.4-85 Test methods for structural ceramic materials in electronic components — Measurement of dielectric loss tangent 电子元器件结构陶瓷材料性能测定方法 介质损耗角正切值的测试方法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A