Radio-frequency connectors - Part 1: Generic specification; general requirements and measuring methods (IEC 61169-1:1992); German version EN 61169-1:1994— 45 стр.
Controllers with analogue signals for use in industrial-process control systems - Part 1: Methods of evaluating the performance (IEC 60546-1:1987); German version EN 60546-1:1993— 27 стр.
Industrial-process control systems; instruments with analogue inputs and two- or multi-state outputs; part 1: methods of evaluating the performance (IEC 61003-1-1991); German version EN 61003-1:1993— 18 стр.
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 one: general (IEC 60835-1-1:1990); German version EN 60835-1-1:1992— 10 стр.