Home / Standards / GB/T 12635-1990 GB/T 12635-1990 Active Ceramic base body using in carbon film resistor 碳膜电阻器用陶瓷基体 Standard Type GBT ICS N/A CCS L92 Status Active Issue Date 1990-12-28 Implementation 1991-10-01 Centralized Committee 工业和信息化部(电子) Issuing Authority 国家技术监督局