Methods of measurement for equipment used in digital microwave radio transmission systems; part 1: measurements common to terrestrial radio-relay systems and satellite earth stations; section 2: basic characteristics (IEC 60835-1-2:1992); German version EN 60835-1-2:1993
Edition 1993-12

Time-dependent quantities; letter symbols
Edition 1982-09

Optical amplifiers - Test methods - Part 5-2: Reflectance parameters - Electrical spectrum analyser method (IEC 61290-5-2:2003); German version EN 61290-5-2:2004
Edition 2004-12

Methods of measurement for equipment used in digital microwave radio transmission systems - Part 1: Measurements common to terrestrial radio-relay systems and satellite earth stations; section 4: Transmission performance (IEC 60835-1-4:1992); German version EN 60835-1-4:1995
Edition 1995-04

Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type L (IEC 60961:1993); German version EN 60961:1994
Edition 1994-07

Energy performance of buildings - Heating and DHW systems in buildings - Part 3: Measured energy performance, Module M3-10, M8-10; German version EN 15378-3:2017
Edition 2017-09

Gas-fired central heating boilers - Part 2-1: Specific standard for type C appliances and type B2, B3 and B5 appliances of a nominal heat input not exceeding 1000 kW; German version EN 15502-2-1:2022+A1:2023
Edition 2024-08

Helical-scan digital composite video cassette recording system using 12,65 mm (0,5 in) magnetic tape, format D3 (IEC 61327:1995); German version EN 61327:1995
Edition 1996-05

Energy performance of buildings - Heating systems and DHW in buildings - Part 1: Inspection of boilers, heating systems and DHW, Module M3-11, M8-11; German version EN 15378-1:2017
Edition 2017-09

Human response to vibration - Measuring instrumentation - Part 1: General purpose vibration meters (ISO 8041-1:2017); German version EN ISO 8041-1:2017
Edition 2017-10