YD/T 4139-2022 Active Industry standards-Postal and telecommunications

YD/T 4139-2022 Fire and security facilities maintenance regulations in the communication industry

YD/T 4139-2022 Fire and security facilities maintenance regulations in the communication industry

Publish Date: 2022-09-30 Implement Date: 2023-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YD/T 4139-2022
Standard Type: Industry standards
Standard Status: Active
is_force_gb: no
CCS Name: Basic standards and general methods
ICS Name: Telecommunications Integration
Publish Date: 2022-09-30
Implement Date: 2023-01-01

Scope

This document is applicable to the maintenance of fire protection facilities in communication buildings.

Development Information

Related Standards

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