China 'NB/T 47019.4-2021
' Industry standard english version:
NB
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
NB/T 47019.4-2021
Specifications for ordering tubes for boilers and heat exchangers - Part 4: Low-alloy steels for low-temperature applications 锅炉、热交换器用管订货技术条件 第4部分：低温用低合金钢
Issued Date:2021/1/7
Implemented Date:2021/7/1
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
NB/T 47019.4-2021
Standard Category
China Energy Industry
Standards
GB Standard English Title
Specifications for ordering tubes for boilers and heat exchangers - Part 4: Low-alloy steels for low-temperature applications
GB Standard Chinese Title
锅炉、热交换器用管订货技术条件 第4部分：低温用低合金钢
Chinese
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