T/CECC 020-2023
Audio and video system operation and maintenance service evaluation specification (English Version)

Standard No.

T/CECC 020-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Group Standards of the People's Republic of China

Latest

T/CECC 020-2023

T/CECC 020-2023 history

• 2023 T/CECC 020-2023 Audio and video system operation and maintenance service evaluation specification