Piezoelectric devices - Preparation of outline drawings of surface-mounted devices (SMD) for frequency control and selection - General rules (IEC 61240:2012); German version EN 61240:2012— 19 стр.
Piezoelectric devices - Preparation of outline drawings of surface-mounted devices (SMD) for frequency control and selection - General rules (IEC 61240:2016); German version EN 61240:2017)— 20 стр.
Technical drawings - Simplified representation of pipelines - Terminal features of ventilation and drainage systems; identical with ISO 6412-3:1993— 5 стр.
Technical drawings - General principles of presentation - Part 50: Basic conventions for representing areas on cuts and sections (ISO 128-50:2001)— 11 стр.