Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering heat of devices with leads (IEC 60068-2-20:2008); German version EN 60068-2-20:2008, Corrigendum to DIN EN 60068-2-20:2009-02— 2 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Management of road safety measures at road works— 16 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Management of road safety measures at road works— 16 стр.