GB/T 12277-1990
电子设备用固定电阻器 第7部分:空白详细规范 各电阻器不可单独测量的固定电阻网络 评定水平E(可供认证用)
Fixed resistors for use in electronic equipment--Part 7:Blank detail specification--Fixed resistor networks in which not all resistors are individually measurable--Assessment level E
GBT12277-1990, GB12277-1990