| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| 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 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 12190-2006 |
Method for measuring the shielding effectiveness of electromagnetic shielding enclosures |
$320.00 |
immediately |
superseded,2021-12-1,2006-11-1 |
|
| GB/T 12199-2000 |
Environmental testing requirements and methods for non-broadcast video tape recorders |
$120.00 |
immediately |
valid,,2001-5-1 |
|
| GB/T 12322-1990 |
Methods of reliability testing for universal CCTV systems |
$210.00 |
via email in 1~3 business day |
abolished2024-03-28 ,,1990-12-1 |
|
| GB/T 12647-1990 |
Universal applied TV system |
$340.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1991-10-1 |
|
| GB/T 12751-1991 |
The specification of one channel high quality sound in sync |
$180.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1991-1-1 |
|
| GB/T 12840-1996 |
Reliability requirements and testing methods for tape transport mechanism of cassette tape recorders |
$150.00 |
via email in 1~3 business day |
valid,,1997-8-1 |
|
| GB/T 12841-2000 |
Generic specification for the transport mechanism of cassette tape recorders |
$240.00 |
via email in 1~3 business day |
valid,,2001-5-1 |
|
| GB/T 12857-1991 |
Methods of measurement under conditions different from broadcast signal STANDARDs on receivers for televisionbroadcast transmissions |
$210.00 |
via email in 1~3 business day |
valid,,1991-1-2 |
|
| GB/T 13187-2012 |
Magnetic tape sound recording and reproducing systems—General conditions and requirements |
$210.00 |
via email in 1~3 business day |
valid,,2013-6-1 |
|
| GB/T 13188-1991 |
General specification for mechanical tuner of TV broadcasting receiver |
$1544.00 |
via email in 1~5 business day |
abolished2005-10-14 ,,1992-5-1 |
|
| GB/T 13581-1992 |
Minimm performance requirements on high fidelity head - Phones |
$140.00 |
via email in 1~3 business day |
valid,,1993-5-1 |
|
| GB/T 13949-1992 |
Application characteristics for 21-pin connector in video systems |
$380.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1993-8-1 |
|
| GB/T 13953-1992 |
methods of explosion-proof performance for explosion-proof applied TV equipments with separate type |
$120.00 |
via email in 1~3 business day |
valid,,1993-8-1 |
|
| GB/T 13975-1992 |
current amplifiers - Characteristics and test methods |
$180.00 |
via email in 1~3 business day |
valid,,1993-7-1 |
|
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