GB/T 4728.9-2022 standards english version

NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 4728.9-2022

Graphical symbols for electrical diagrams - Part 9: Telecommunications: Switching and peripheral equipment

Issued Date:

Implemented Date:

Issued by:

The Standardization Administration of the People's Republic of China

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GB Standard Code	GB/T 4728.9-2022
Standard Category	China National Standards
GB Standard English Title	Graphical symbols for electrical diagrams - Part 9: Telecommunications: Switching and peripheral equipment
GB Standard Chinese Title	电气简图用图形符号第9部分：电信：交换和外围设备
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