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YD/T 4139-2022 in English
Standard on the Maintenance and Service of Fire and Security Facilities in Communication Systems
valid
Issued on:2022-09-30
$4,620.00 -
GB/Z 41291-2022 in English
Application of Internet of things—General requirements for smart oil field
valid
Issued on:2022-03-09
$532.00 -
T/CCSA 248-2019 in English
Classification and assessment of service level in telecom business hall
valid
Issued on:2019-08-16
$520.00 -
T/CCSA 249-2019 in English
Classification and assessment of service level in telecom service customer service center
valid
Issued on:2019-08-16
$600.00 -
YD/T 3312-2018 in English
Innovative and entrepreneurial supporting capabilities evaluation index for ICT companies
valid
Issued on:2018-02-09
$840.00 -
YD/T 3313-2018 in English
Implementation guidance for brand cultivation management systems Communication industry
valid
Issued on:2018-02-09
$1,596.00 -
GB 50953-2014 in English
Technical code for engineering of network interconnection and dispatch system
valid
Issued on:2014-05-16
$792.00 -
GB 50945-2013 in English
Technical Code for Optical Plant Engineering
valid
Issued on:2013-11-29
$720.00 -
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