China 'YD/T 1970.4-2009 ' Industry standard english version:

中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

YD/T 1970.4-2009

Issued Date:2009-06-15

Implemented Date:2009-09-01

Issued by:

The Standardization Administration of the People's Republic of China

GB Standard Code	YD/T 1970.4-2009
Standard Category	China Telecommunication Standards
GB Standard English Title	Maintenance Requirements of Power Supply for Telecommunication Stations/Sites. Part 4: Uninterruptible Power Systems
GB Standard Chinese Title	通信局（站）电源系统维护技术要求第4部分：不间断电源（ups）系统
Chinese Version Price	$5.00 per 1 page
English Translation Fee	$15.00~$30.00 per 1 page
Member Price	10%~50% off


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