Home / Standards / GB/T 9623-1988 GB/T 9623-1988 Abolished Inductor and transformer cores for telecommunications--Part 1:Generic specification 通信用电感器和变压器磁芯 第一部分:总规范 (可供认证用) Standard Type GBT ICS 29.100.10 CCS L19 Status 废止 Issue Date 1988-06-30 Implementation 1989-02-01 Responsible Dept 工业和信息化部（电子） Drafting Unit N/A