High - frequency transformer silicon steel sheet 高频变压器硅钢片
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Transformers and inductors for use in electronic and telecommunication equipment . part 7 : sectional specification for high - frequency transformers on the basis of the capability approval procedure 电子设备和电信设备用变压器和电感器.第7部分:以容量认可程序为基础的高频变压器分规范