GB/T 7342-1987 Replaced National standards

GB/T 7342-1987 IEC provisional reference coupler for the calibration of earphones used in audiometry

Publish Date: 1987-02-28 Implement Date: 1987-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7342-1987

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Acoustic metrology

ICS Name: Television broadcasting and radio broadcasting

Publish Date: 1987-02-28

Implement Date: 1987-11-01

Publisher: National Standards Bureau

Pages: 8 pages

Development Information

Drafting Units:

Chinese Academy of Metrology

Drafting Persons:

The chapter and verse are just the basic framework of a story. What really matters is the plot and the characters' personalities.

Word Count: 8 Thousand words Pages: 8 pages

Superseded by the following standards

GB/T 25498.3-2010 Electroacoustics—Simulators of human head and ear—Part 3:Acoustic coupler for the calibration of supra-aural earphones used in audiometry

Adopt standards

IEC 303-70

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