| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 14733.9-1993 |
Terminology for telecommunications Radio wave propagation |
$610.00 |
via email in 1~8 business day |
superseded,2009-3-1,1994-8-1 |
|
| GB/T 15160-2007 |
Land mobile communication system requirements using multi-channel access techniques without a central controller |
$360.00 |
via email in 1~3 business day |
valid,,2007-11-1 |
|
| GB/T 15541-1995 |
Mehtods of measurement for transmitting frequency |
$150.00 |
via email in 1~3 business day |
valid,,1995-1-2 |
|
| GB/T 15658-2012 |
Method for measurements of radio noise |
$210.00 |
via email in 1~3 business day |
valid,,2013-6-1 |
|
| GB/T 16532-1996 |
Speech material library used DRT for articulation evaluation of communication equipments |
$970.00 |
via email in 1~3 business day |
abolished2017-12-15,,1997-5-1 |
|
| GB/T 19663-2022 |
Vocabulary for lightning protection of information system |
$495.00 |
via email in 1~5 business day |
valid,,2023-2-1 |
|
| GB/T 21431-2008 |
Technical specifications for inspection of lightning protection system in building |
$600.00 |
immediately |
abolished2016-04-01,2016-4-1,2008-10-1 |
|
| GB/T 21431-2015 |
Technical code for inspection of lightning protection system in building |
$810.00 |
via email in 1~5 business day |
superseded,2024-7-1,2016-4-1 |
|
| GB/T 21431-2015/XG1-2018 |
Technical code for inspection of lightning protection system in building, includes Amendment 1 |
$825.00 |
via email in 1~5 business day |
valid,,2018-12-28 |
|
| GB/T 28507-2012 |
Description guidelines for voice exhibition of web documents |
$180.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 2900.68-2005 |
Electrotechnical terminology—Telecommunication networks,teletraffic and operation |
$330.00 |
via email in 1~3 business day |
valid,,2006-6-1 |
|
| GB/T 3383-1982 |
Telecommunication transmission unit; Decibel |
$70.00 |
via email in 1~3 business day |
valid,,1983-10-1 |
|
| GB/T 3454-2011 |
List of definitions for interchange circuits between data terminal equipment(DTE) and data circuit-terminating equipment(DCE) |
$300.00 |
via email in 1~3 business day |
valid,,2011-11-1 |
|
| GB/T 36963-2018 |
Technical specification for lightning protection of building integrated photovoltaic systems |
$310.00 |
via email in 1~5 business day |
valid,,2019-7-1 |
|
| GB/T 37047-2018 |
Lightning density based on lightning location systems(LLS)—General principles |
$160.00 |
via email in 1~3 business day |
superseded,2023-2-1,2019-7-1 |
|
| GB/T 37048-2018 |
Technical specification for lightning protection of expressway electromechanical systems |
$370.00 |
via email in 1~5 business day |
valid,,2019-7-1 |
|
| GB/T 38121-2019 |
Protection against lightning—Thunderstorm warning systems |
$550.00 |
via email in 1~5 business day |
superseded,2023-12-1,2020-5-1 |
|
| GB/T 38121-2023 |
Protection against lightning—Thunderstorm warning systems |
$555.00 |
via email in 1~3 business day |
valid,,2023-12-1 |
|
| GB/T 40621-2021 |
Drawing method of cloud-to-ground lightning density distribution map |
$180.00 |
via email in 1~3 business day |
superseded,2025-2-28,2022-5-1 |
|
| GB/T 41089-2021 |
Technical specification for isolated lightning protection of electronic system based on lightning nowcasting and warning |
$225.00 |
via email in 1~3 business day |
valid,,2022-7-1 |
|
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