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YD/T 4139-2022 PDF English

Std ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status
YD/T 4139-2022	English	RFQ	ASK	3 days [Need to translate]	(Maintenance regulations for fire safety facilities in the communication industry)	Valid

Standard similar to YD/T 4139-2022

Standard ID	YD/T 4139-2022 (YD/T4139-2022)
Description (Translated English)	(Maintenance regulations for fire safety facilities in the communication industry)
Sector / Industry	Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard	L04
Classification of International Standard	33.020
Date of Issue	2022-09-30
Date of Implementation	2023-01-01
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the content, methods, procedures and requirements for the maintenance and management of various types of building fire (security) protection facilities in the communications industry. This standard applies to the maintenance of fire (security) protection facilities in communication buildings.