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GB/Z 27764-2011 in English
Acoustics - Determination of sound transmission loss in impedance tubes - Transfer matrix method
VALID
Issued on:2011-12-30 | Implemented on:2012-05-01
$450.00 $437.00 -
GB/T 5111-2011 in English
Acoustics—Measurement of noise emitted by railbound vehicle
SUPERSEDED
Issued on:2011-12-30 | Implemented on:2012-05-01
$450.00 $437.00 -
GB/T 3449-2011 in English
Acoustics—Measurement of noise inside railbound vehicles
SUPERSEDED
Issued on:2011-12-30 | Implemented on:2012-05-01
$330.00 $321.00 -
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GB/T 7341.1-2010 in English
Electroacoustics—Audiological equipment—Part 1:Pure-tone audiometers
VALID
Issued on:2010-12-01 | Implemented on:2011-05-01
$360.00 $350.00









