Rules for the presentation of graphical symbols—Graphical symbols for use in the technical documentation of products—Part 3:Classification of connect notes,networks and their encoding
IDT IEC 81714-3:2004
全国电气信息结构 文件编制和图形符号标准化技术委员会
GB/T 16901的本部分规定了表示功能和产品概念的图形符号所具有的连接点分类的基本要求。由于产品及其相应的图形符号之间紧密的关系，分类原则也同样适用于产品连接点和计算机辅助系统中的网络及其图形符号表示法的分类。
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