Methods of measurement for radio transmitters - Part 12: Guideline for drawing up descriptive leaflets for transmitters and transposers for sound and television broadcasting; characteristics to be specified (IEC 60244-12-1:1989); German version EN 60244-12-1:1993
无线电发射机的测量方法.第12部分:声音和电视广播用发射机和转发器说明书的编制指南;待规定的特性(IEC 60244-12-1-1989);德文版EN 60244-12-1:1993