TB/T 10059-2015
铁路工程制图图形符号标准
Standard for Graphical Symbol of Railway Engineering
2015-09-01
YD/T 5015-2015
通信工程制图与图形符号规定(附条文说明)
2015-10-14
GB/T 24746-2009
技术制图 粘接、弯折与挤压接合的图形符号表示法
Technical drawings - Symbolic presentation and indication of adhesive, fold and pressed joints
2009-11-30
KS V 8021(2024 Confirm)
선박용 전기 그림 기호(동력, 조명, 통신, 계측, 항해 및 무선 관계)
船用电气设备的图形符号工程制图（电力、照明、通信、仪表、导航和无线电）
2014-10-13
ISO/IEC 15909-1-2019
Systems and software engineering — High-level Petri nets — Part 1: Concepts, definitions and graphical notation
系统与软件工程 - 高级Petri网 - 第1部分:概念 定义和图形符号
2019-08-27