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.
Sampling procedures for inspection by attributes; sampling plans indexed by acceptable quality level (AQL) for lot-by-lot inspection; identical with ISO 2859-1:1989— 72 стр.
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009); German version EN ISO 389-9:2009— 18 стр.