Technical product documentation - General principles of representation - Part 2: Basic conventions for lines (ISO/DIS 128-2:2019); German and English version prEN ISO 128-2:2019
Technical product documentation (TPD) - General principles of representation - Part 2: Basic conventions for lines (ISO/FDIS 128-2:2022); German and English version prEN ISO 128-2:2022— 82 стр.