BS 3939-9:1985被替代
Graphical symbols for electrical power, telecommunications and electronics diagrams. Telecommunications: switching and peripheral equipment
出版：British Standards Institution
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基本信息
标准编号： BS 3939-9:1985
发布时间：1985/6/28 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Gives graphical symbols with definitions for use on electrical diagrams. Symbols for switching and peripheral equipment in telecommunications are given.
标准备注
© British Standards Institution 2013
