GB - Chinese national standards

Audiometers--Part 2:Equipment for speechaudio-metry

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Electroacoustics—Audiometric equipment—Part 3: Test signals of short duration

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Audiometers--Part 4:Equipment for extended high-frequency audiometry

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Electroacoustics—Audiometric equipment—Part 5: Instruments for the measurement of aural acoustic impedance/admittance

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Methods of measurement of the suppression characteristics of passive EMC filtering devices

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

General specification for AC servomotors

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

General requirements for electrical machine for automatic control system

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Basic outline constructional type for control motors and feedback components

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

The standard spectrum of Chinese speech

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

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Available languages: English, Chinese

Available design: electronic design (pdf), Print design