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YB/T 4122.1-2021  China industry standard english version:

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

YB/T 4122.1-2021

Microcomputer Relay Protection for Metallurgical Enterprises Part 1: Operational Technical Management Regulations
冶金企业微机继电保护第1部分:运行技术管理规程

Issued Date:2021/3/5   Implemented Date:2021/7/1
Issued by:   The Standardization Administration of the People's Republic of China
 

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GB Standard Code YB/T 4122.1-2021
Standard Category China Metallurgy Industry Standards
GB Standard English Title Microcomputer Relay Protection for Metallurgical Enterprises Part 1: Operational Technical Management Regulations{译}
GB Standard Chinese Title 冶金企业微机继电保护第1部分:运行技术管理规程
Chinese Version Price $5.00  per 1 page
English Translation Fee $15.00~$30.00   per 1 page
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