Home / Standards / GB/T 9432-1988 GB/T 9432-1988 Active Blank detail specification for industrial heating tetrode 工业加热用四极管空白详细规范 (可供认证用) Standard Type GBT ICS 31.080.30 CCS L36 Status 现行 Issue Date 1988-06-23 Implementation 1989-02-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A