China 'GB/T 25151.1-2010
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 25151.1-2010
Fabrication and inspection method for high pressure urea equipment - Part 1: Ultrasonic examination on the automatic strip overlay welds of stainless steel 尿素高压设备制造检验方法 第1部分:不锈钢带极自动堆焊层超声波检测
Issued Date:2010-09-26
Implemented Date:2011-03-01
Issued by:
The Standardization Administration of the People's Republic of China