GB/T 31070.2-2018

Building intercom systems—Part 2: Technical requirements for digital building intercom systems

NORMA vydaná dňa 28.12.2018

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The information about the standard:

Designation standards: GB/T 31070.2-2018
Publication date standards: 28.12.2018
Country: Chinese technical standard
Kategória: Technické normy GB