IEC 60487-2-2 Ed. 1.0 b:1981 Methods of measurement for equipment used in terrestrial radio-relay systems. Part 2: Measurements for sub-systems. Section Two: Stand-by channel switching equipment standard by International Electrotechnical Commission, 01/01/1981
IEC 60581-5 Ed. 1.0 b:1981 High fidelity audio equipment and systems: Minimum performance requirements. Part 5: Microphones standard by International Electrotechnical Commission, 01/01/1981
IEC 60583A Ed. 1.0 b:1981 [ Withdrawn ] First supplement standard by International Electrotechnical Commission, 01/01/1981
IEC 60094-1 Ed. 4.0 b:1981 Magnetic tape sound recording and reproducing systems. Part 1: General conditions and requirements standard by International Electrotechnical Commission, 01/01/1981
IEC 60076-3 Amd.1 Ed. 1.0 en:1981 [ Withdrawn ] Amendment No. 1 Amendment by International Electrotechnical Commission, 01/01/1981
IEC 60715 Ed. 1.0 b:1981 [ Withdrawn ] Dimensions of low-voltage switchgear and controlgear. Standardized mounting on rails for mechanical support of electrical devices in switchgear and controlgear installations standard by International Electrotechnical Commission, 01/01/1981
IEC 60418-1 Amd.2 Ed. 1.0 b:1981 [ Withdrawn ] Amendment 2 - Variable capacitors. Part 1: Terms and methods of test Amendment by International Electrotechnical Commission, 01/01/1981
IEC 60418-2 Amd.1 Ed. 1.0 b:1981 [ Withdrawn ] Amendment 1 - Variable capacitors. Part 2: Type specification for variable tuning capacitors Type A Amendment by International Electrotechnical Commission, 01/01/1981
IEC 60524 Amd.1 Ed. 1.0 b:1981 Amendment 1 - Direct-current resistive volt ratio boxes Amendment by International Electrotechnical Commission, 01/01/1981
IEC 60510-3-1 Ed. 1.0 b:1981 Methods of measurement for radio equipment used in satellite earth stations. Part 3: Methods of measurement on combinations of sub-systems. Section One: General standard by International Electrotechnical Commission, 01/01/1981
IEC 60703 Ed. 1.0 b:1981 [ Withdrawn ] Test methods for electroheating installations with electron guns standard by International Electrotechnical Commission, 01/01/1981
IEC 60717 Ed. 1.0 b:1981 [ Withdrawn ] Method for determination of the space required by capacitors and resistors with unidirectional terminations standard by International Electrotechnical Commission, 01/01/1981