中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 25151.6-2014
Fabrication and inspection method for high pressure urea equipment―Part 6: Helium leakage test method for urea high pressure equipment 尿素高压设备制造检验方法 第6部分:尿素高压设备氦渗漏试验方法
Issued Date:2014-12-22
Implemented Date:2015-10-01
Issued by:
The Standardization Administration of the People's Republic of China