Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
GB/T 11956-1989 |
High-speed duplicate audio tape |
$180.00 |
via email in 1~3 business day |
abolished2009-05-01,2009-5-1,1990-12-1 |
|
GB/T 12010.7-2010 |
Plastics—Poly(vinyl alcohol) (PVAL) materials—Part 7:Determination for sodium hydroxide contents |
$80.00 |
via email in 1~3 business day |
valid,,2011-5-1 |
|
GB/T 12046-1989 |
Designation of radio emissions and determination of necessary bandwidths |
$250.00 |
via email in 1~3 business day |
abolished2009-01-01,2009-1-1,1990-7-1 |
|
GB/T 12047-1989 |
Multiprogramme still picture broadcasting system |
$260.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1990-7-1 |
|
GB/T 12058-1989 |
Listening tests on loudspeakers |
$1264.00 |
via email in 1~5 business day |
superseded,2012-2-1,1990-7-1 |
|
GB/T 12060-1989 |
Sound system equipment explanation of general terms and calculation methods |
$220.00 |
via email in 1~3 business day |
abolished2012-02-01,2012-2-1,1990-7-1 |
|
GB/T 12060.1-2017 |
Sound system equipment-Part 1:General |
$250.00 |
via email in 1~3 business day |
valid,,2017-12-1 |
|
GB/T 12060.11-2012 |
Sound system equipment—Part 11:Application of connectors for the interconnection of sound system equipment |
$270.00 |
via email in 1~3 business day |
valid,,2013-6-1 |
|
GB/T 12060.16-2017 |
Sound system equipment-Part 16:Objective rating of speech intelligibility by speech transmission index |
$750.00 |
via email in 1~3 business day |
valid,,2018-5-1 |
|
GB/T 12060.21-2025 |
Sound system equipment—Part 21: Acoustical (output-based) measurements |
$1065.00 |
via email in 1~10 business day |
to be valid,,2025-12-1 |
|
GB/T 12060.3-2011 |
Sound system equipment - Part 3: Methods of measurement on audio amplifiers |
$840.00 |
via email in 1~3 business day |
valid,,2012-2-1 |
|
GB/T 12060.4-2012 |
Sound system equipment—Part 4:Methods of measurement for microphones |
$540.00 |
via email in 1~3 business day |
valid,,2013-6-1 |
|
GB/T 12060.5-2011 |
Sound system equipment - Part 5: Methods of measurement for main characteristics of loudspeakers |
$420.00 |
immediately |
valid,,2012-2-1 |
|
GB/T 12060.7-2013 |
Sound System Equipment - Part 7: Methods of Measurement on Headphones and Earphones |
$600.00 |
immediately |
valid,,2014-7-15 |
|
GB/T 12060.9-2011 |
Sound system equipment—Part 9:Methods of measurement for artificial reverberation,time delay and frequency shift equipment |
$210.00 |
via email in 1~3 business day |
valid,,2012-5-1 |
|
GB/T 12119-1989 |
Bank based test method of the operational performance of marine radar |
$340.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1990-7-1 |
|
GB/T 12165-1998 |
requirements and testing methods for cassette tape recorders |
$120.00 |
via email in 1~3 business day |
abolished2024-03-28 ,,1999-6-1 |
|
GB/T 12171-1990 |
Specification for TDM/FDM60-channel transmultiplexing equipments used in the telecommunication network |
$450.00 |
via email in 1~3 business day |
abolished2017-12-15,,1990-8-1 |
|
GB/T 12182-1990 |
General specification of secondary surveillance radar for air traffic control |
$120.00 |
via email in 1~3 business day |
abolished2019-01-01 ,2019-1-1,1990-8-1 |
|
GB/T 12185-1990 |
General specification for exciter used to MW AM broadcast transmitter |
$120.00 |
via email in 1~3 business day |
abolished2017-12-15,,1990-8-1 |
|
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