SJ/T 10612.4-199530MHz～1GHz声音和电视广播接收天线.第4部分：天线性能规范的编制导则详细规范表格式Aerials for the reception of sound and television broadcasting in the frequency range 30MHz to 1GHz-Part 4:Guide for the preparation of aerial performance specification detailed specification s

标准简介

标准截图

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