Harmonized system of quality assessment for electronic components. Code of practice for the use of the ppm approach in association with the CECC system— 16 стр.
Electromechanical all-or-nothing relays - Part 50: Sectional specification; Electromechanical all-or-nothing telecom relays of assessed quality (IEC 61811-50:2002); German version EN 61811-50:2002— 24 стр.
