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IEC 60244-7A:1980

Supplement A - Methods of measurement for radio transmitters - Part 7: Cabinet radiation at frequencies above 1 GHz - Medium-sized transmitters - Large transmitters

IEC 60255-12:1980

Electrical relays - Part 12: Directional relays and power relays with two input energizing quantities

IEC 60255-13:1980

Electrical relays - Part 13: Biased (percentage) differential relays

IEC 60444-2:1980

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network. Part 2: Phase offset method for measurement of motional capacitance of quartz crystal units

IEC 60457-3:1980

Rigid precision coaxial and their associated precision connectors. Part 3: 14 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector - Characteristic impedances 50 ohms and 75 ohms

IEC 60471:1977/AMD1:1980

Amendment 1 - Dimensions of clevis and tongue couplings of string insulator units

IEC 60510-1-3:1980

Methods of measurement for radio equipment used in satellite earth stations. Part 1: Measurements common to sub-systems and combinations of sub-systems. Section Three: Measurements in the i.f. range

IEC 60510-1A:1980

Methods of measurement for radio equipment used in satellite earth stations. Part 1: Measurements common to sub-systems and combinations of sub-systems. First supplement: Sub-clause 6.2: D.C. source conditions

IEC 60510-3-2:1980

Methods of measurement for radio equipment used in satellite earth stations. Part 3: Methods of measurement on combinations of sub-systems. Section Two: Measurement of the figure of merit (G/T) of the receiving system in the 4 GHz to 6 GHz range

IEC 60554-3-3:1980

Specification for cellulosic papers for electrical purposes. Part 3: Specifications for individual materials. Sheet 3: Crêpe paper

IEC 60602:1980

Type B helical video recorders

IEC 60667-1:1980

Specification for vulcanized fibre for electrical purposes - Part 1: Definitions and general requirements

IEC 60674-1:1980

Specification for plastic films for electrical purposes. Part 1: Definitions and general requirements

IEC 60682:1980

Standard method of measuring the pinch temperature of quartz-tungsten-halogen lamps

IEC GUIDE 103:1980

Guide on dimensional co-ordination

IEC TR 60663:1980

Planning of (single-sideband) power line carrier systems

IEC TR 60668:1980

Dimensions of panel areas and cut-outs for panel and rack-mounted industrial-process measurement and control instruments

BS 2782-7:Method 720B:1979

Methods of testing plastics. Rheological properties. Cup flow of phenolic and alkyd moulding materials

Methods of testing plastics. Rheological properties. Cup flow of phenolic and alkyd moulding materials

BS 3041-12:1981*IEC 60169-12:1979

Radio-frequency connectors. Specification for r.f. coaxial connectors with screw coupling, unmatched (type UHF)

Radio-frequency connectors. Specification for r.f. coaxial connectors with screw coupling, unmatched (type UHF)

BS 5626-3.1:1981*IEC 60554-3-1:1979

Cellulosic papers for electrical purposes. Specifications for individual materials. General purpose paper

Cellulosic papers for electrical purposes. Specifications for individual materials. General purpose paper