Methods of measurement for equipment used in digital microwave radio transmission systems - Part 2: Measurement on terrestrial radio relay-systems - Section 5: Digital signal processing sub-system (IEC 60835-2-5:1993); German version EN 60835-2-5:1995
Edition 1995-04

Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO₂ (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis (ISO 21079-2:2008); German version EN ISO 21079-2:2008
Edition 2008-08

Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO₂ (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents and dissolution (ISO 21079-1:2008); German version EN ISO 21079-1:2008
Edition 2008-08

Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO₂ (alternative to the X-ray fluorescence method) - Part 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP-AES) (ISO 21079-3:2008); German version EN ISO 21079-3:2008
Edition 2008-08

Electroacoustics - Simulators of human head and ear - Part 5: 2 cm³ coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts (IEC 60318-5:2006); German version EN 60318-5:2006
Edition 2007-04

60° centre drills; types R, A, and B
Edition 1986-04

Sensory analysis - A - not A test
Edition 2003-08

Machine tools; Multi-spindle heads; Assemblies, Intermediate shafts Types A to P
Edition 1981-10

Elastomer mounts - Cap mounts type A
Edition 1998-08

Machine tools; Multi-spindle heads; Assemblies, Spindle seals Types A to D
Edition 1981-10