标准摘要
[中文适用范围]： 本文件规定了管道系统通风和排水终端特征技术图纸中使用的简化表示。 [外文原描述]： ISO 6412-3:2017 specifies simplified representations used in technical drawings for terminal features of ventilation and drains in pipeline systems.
英文名称Technical product documentation — Simplified representation of pipelines — Part 3: Terminal features of ventilation and drainage systems