Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
GB/T 14381-1993 |
specification for stored program control digital private automatic branch telephone exchange system |
$1050.00 |
via email in 1~3 business day |
valid,,1994-1-1 |
|
GB/T 14397-1993 |
Information processing-Start-stop transmission signal quality at DTE/DCE interfaces |
$160.00 |
via email in 1~3 business day |
abolished2009-01-01,2009-1-1,1994-1-1 |
|
GB/T 14398-1993 |
communication - Arrangements for DTE to DTE physical connection using V.24 and X.24 interchange circuits |
$120.00 |
via email in 1~3 business day |
abolished2017-12-15,,1994-1-1 |
|
GB/T 14399-1993 |
Information processing systems-Data communication-High-level data link control procedures-Description of the X.25 LAPB-compatible DTE data link procedures |
$400.00 |
via email in 1~5 business day |
abolished2009-02-01,2009-2-1,1994-1-1 |
|
GB/T 14400-1993 |
Information processing systems-Data communication. High-level data link control balanced classes of procedures. Data-link layer address resolution/negotiation in switched environments |
$220.00 |
via email in 1~3 business day |
valid,,1994-1-1 |
|
GB/T 14401-1993 |
between mobile station and base station and mobile services switching centre in public land mobile communication network at 450MHz band |
$450.00 |
via email in 1~3 business day |
valid,,1994-1-1 |
|
GB/T 14431-1993 |
ratios and minimum usable field strengths required in the radio services |
$450.00 |
via email in 1~3 business day |
valid,,1993-1-2 |
|
GB/T 14432-1993 |
methods for wow and flutter of broadcast tape recorders |
$75.00 |
via email in 1~3 business day |
abolished2017-12-15,,1993-1-2 |
|
GB/T 14433-1993 |
specifications for coverage networks of colour TV broadcasting |
$450.00 |
via email in 1~3 business day |
valid,,1993-1-2 |
|
GB/T 14434-1993 |
parameters for broadcasting - Satellite service (BSS) in the band 12 GHz and BSS feeder links |
$150.00 |
via email in 1~3 business day |
valid,,1993-1-2 |
|
GB/T 14435.1-1993 |
sharing between the broadcasting - Satellite service and terrestrial services - Guide to freguency sharing between the broadcasting - Satellite service (television) and terr |
$100.00 |
via email in 1~3 business day |
valid,,1993-1-2 |
|
GB/T 14435.2-1993 |
sharing between the broadcasting - Satellite service and terrestrial services-Frequency sharing between the broadcasting - Satellite service (television) and terrestrial bro |
$115.00 |
via email in 1~3 business day |
valid,,1993-1-2 |
|
GB/T 14435.3-1993 |
sharing between the broadcasting - Stellite service and terrestrial services Frequency sharing between the broadcasting - Satellite service(television)in one side and terres |
$180.00 |
via email in 1~3 business day |
valid,,1993-1-2 |
|
GB/T 14471-2013 |
General Specification for Headphones |
$120.00 |
immediately |
valid,,2014-7-15 |
|
GB/T 14474-1993 |
specification for horn loudspeakers |
$150.00 |
via email in 1~3 business day |
superseded,2025-5-1,1994-2-1 |
|
GB/T 14474-2024 |
Horn loudspeakers—General requirements |
$375.00 |
via email in 1~5 business day |
valid,,2025-5-1 |
|
GB/T 14475-1993 |
of measurement for horn loudspeakers |
$150.00 |
via email in 1~3 business day |
abolished2025-05-01 ,2025-5-1,1994-2-1 |
|
GB/T 14475-2024 |
Horn loudspeakers—Measuring methods |
$735.00 |
via email in 1~5 business day |
valid,,2025-5-1 |
|
GB/T 14557-1993 |
Electrical tests and measuring procedures for ridio-frequency connectors: Reflection factor |
$190.00 |
via email in 1~3 business day |
abolished2005-10-14,,1994-2-1 |
|
GB/T 14558-1993 |
Terminal characteristics for group 4 document facsi-mile apparatus |
$210.00 |
via email in 1~3 business day |
abolished2005-10-14,,1994-2-1 |
|
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