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IEC 60169-11:1977

Radio-frequency connectors - Part 11: R.F. coaxial connectors with inner diameter of outer conductor 9.5 mm (0.374 in) with screw coupling - Characteristic impedance 50 ohms (Type 4.1/9.5)

IEC 60231E:1977

Supplement E - General principles of nuclear reactor instrumentation - Principles of instrumentation of high temperature indirect cycle gas-cooled power reactors (HTGR)

IEC 60231F:1977

Supplement F - General principles of nuclear reactor instrumentation - Steam generating, direct cycle, heavy-water moderated reactors

IEC 60231G:1977

Supplement G - General principles of nuclear reactor instrumentation - Liquid-metal cooled fast reactors

IEC 60268-9:1977

Sound system equipment - Part 9: Artificial reverberation, time delay and frequency shift equipment

IEC 60377-2:1977

Methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. Part 2: Resonance methods

IEC 60471:1977

Dimensions of clevis and tongue couplings of string insulator units

IEC 60496:1975/AMD1:1977

Amendment 1 - Methods for measuring the performance of electric warming plates for household and similar purposes

IEC 60554-1:1977

Specification for cellulosic papers for electrical purposes. Part 1: Definitions and general requirements

IEC 60560:1977

Definitions and terminology of brush-holders for electrical machines

IEC 60564:1977

D.C. bridges for measuring resistance

IEC 60581-1:1977

High fidelity audio equipment and systems: Minimum performance requirements. Part 1: General

IEC 60588-1:1977

Askarels for transformers and capacitors. Part 1: General

IEC 60588-3:1977

Askarels for transformers and capacitors. Part 3: Specifications for new askarels

IEC 60589:1977

Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids

IEC 60590:1977

Determination of the aromatic hydrocarbon content of new mineral insulating oils

IEC TR 60575:1977

Thermal-mechanical performance test and mechanical performance test on string insulator units

ANSI INCITS/ISO/IEC 3561:1976

Information processing - Interchangeable magnetic six-disk pack - Track format

Information processing - Interchangeable magnetic six-disk pack - Track format

ANSI INCITS/ISO/IEC 3563:1976

Information processing - Interchangeable magnetic single-disk cartridge (top loaded) - Track format

Information processing - Interchangeable magnetic single-disk cartridge (top loaded) - Track format

ANSI INCITS/ISO/IEC 3564:1976

Information processing - Interchangeable magnetic eleven-disk pack - Physical and magnetic characteristics

Information processing - Interchangeable magnetic eleven-disk pack - Physical and magnetic characteristics