IEC provisional reference coupler for the calibration of earphones used in audiometry

WITHDRAWN published on 28.2.1987

the frequency range of 10 kHz to 30 MHz Methods of measurement of the suppression characteristics of passive radio inerference filters and suppression components over

WITHDRAWN published on 2.3.1987

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WITHDRAWN published on 1.1.1987

General specification for A.C servomotors

WITHDRAWN published on 30.7.1997

General requirements for electrical micro machine for automatic control system

WITHDRAWN published on 1.1.1987

General requirements for electrical micro machine for automatic control system

WITHDRAWN published on 21.1.1994

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WITHDRAWN published on 1.1.1987

Basic outline constructional type for control motors and feedback components

WITHDRAWN published on 19.1.1998

The standard spectrum of whispered Chinese speech

WITHDRAWN published on 2.3.1987

Methods of measurement of radio interference from high voltage overhead power transmission lines and substations

WITHDRAWN published on 1.1.1987