LST EN ISO 128-2:2020 Technical product documentation (TPD) - General principles of representation - Part 2: Basic conventions for lines (ISO 128-2:2020)
2020LST EN ISO 128-2:2020 Technical product documentation (TPD) - General principles of representation - Part 2: Basic conventions for lines (ISO 128-2:2020)
2002LST EN ISO 128-20:2002 Technical drawings - General principles of presentation - Part 20: Basic conventions for lines (ISO 128-20:1996)