Tra cứu Tiêu chuẩn quốc tế

IEC 60235-2A:1974

Measurement of the electrical properties of microwave tubes - Part 2: General measurements - Chapter V: Methods of measuring parasitic noise

IEC 60235-8A:1974

Measurement of the electrical properties of microwave tubes - Part 8: Backward-wave oscillator tubes - 'O' type - First supplement

IEC 60236:1974

Methods for the designation of electrostatic deflecting electrodes of cathode-ray tubes

IEC 60244-2:1969/AMD1:1974

Amendment 1 - Methods of measurement for radio transmitters. Part 2: Bandwidth, out-of-band power and power of non-essential oscillations

IEC 60441:1974

Photometric and colorimetric methods of measurement of the light emitted by a cathode-ray tube screen

IEC 60457-1:1974

Rigid precision coaxial and their associated precision connectors. Part 1: General requirements and measuring methods

IEC 60457-2:1974

Rigid precision coaxial and their associated precision connectors. Part 2: 50 ohms 7 mm rigid precision coaxial line and associated hermaphroditic precision coaxial connector

IEC 60468:1974

Method of measurement of resistivity of metallic materials

IEC 60477:1974

Laboratory d.c. resistors

IEC 60481:1974

Coupling devices for power line carrier systems

BS 185:Index:1973

Glossary of aeronautical and astronautical terms. Alphabetical index

Glossary of aeronautical and astronautical terms. Alphabetical index

BS 5142:1974*IEC 60428:1973

Specification for standard cells

Specification for standard cells

BS 6840-8:1988*IEC 60268-8:1973

Sound system equipment. Methods for specifying and measuring the characteristics of automatic gain control devices

Sound system equipment. Methods for specifying and measuring the characteristics of automatic gain control devices

BS 7737-1:1995*IEC 60377-1:1973

Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. General

Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. General

BS 949-4:1990*EN 22857:1989*ISO 2857:1973

Screwing taps. Specification for metric ground thread taps: manufacturing tolerances

Screwing taps. Specification for metric ground thread taps: manufacturing tolerances

IEC 60050-691:1973

International Electrotechnical Vocabulary (IEV) - Part 691: Tariffs for electricity

IEC 60244-2A:1969/AMD1:1973

Amendment 1 - Methods of measurement for radio transmitters - Part 2: Bandwidth, out-of-band power and power of non-essential oscillations - First supplement: Appendices

IEC 60244-4:1973

Methods of measurement for radio transmitters. Part 4: Amplitude/frequency characteristics and non-linearity distortion in transmitters for radiotelephony and sound broadcasting

IEC 60268-8:1973

Sound system equipment - Part 8: Automatic gain control devices

IEC 60377-1:1973

Methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz. Part 1: General