ITU-T G.243
Protection of pilots and additional measuring frequencies at points where there is a through-connection
现行
发布日期 :
2025-11-01
实施日期 :
ITU-T K.72
Protection of telecommunication lines using metallic conductors against lightning - Risk management
现行
发布日期 :
2013-04-01
实施日期 :
DIN EN 419211-3
Protection profiles for secure signature creation device - Part 3: Device with key import
现行
发布日期 :
2001-03-01
实施日期 :
DIN EN 12495
Cathodic protection for fixed steel offshore structures; English version of DIN EN 12495
现行
发布日期 :
2001-04-01
实施日期 :
DIN EN 12501-1
Protection of metallic materials against corrosion - Corrosion likelihood in soil - Part 1: General
现行
发布日期 :
2001-08-01
实施日期 :
ITU-R BO.792
Interference protection ratios for the broadcasting-satellite service (television) in the 12 GHz band
现行
发布日期 :
2008-03-01
实施日期 :
ITU-R BS.559
Objective measurement of radio-frequency protection ratios in LF, MF and HF broadcasting
现行
发布日期 :
2001-06-01
实施日期 :
ITU-R BS.641
Determination of radio-frequency protection ratios for frequency-modulated sound broadcasting
现行
发布日期 :
2001-07-01
实施日期 :
ITU-R SA.609
Protection criteria for telecommunication links for manned and unmanned near-Earth research satellites
现行
发布日期 :
2008-03-01
实施日期 :
AS 1905.1:2015
Components for the protection of openings in fire-resistant walls Fire-resistant doorsets
现行
发布日期 :
2015-08-25
实施日期 :