Home / Standards / GB/T 21355-2008 GB/T 21355-2008 Abolished Non-destructive testing - Classification of computed radiology systems 无损检测 计算机射线照相系统的分类 Standard Type GBT ICS 19.100 CCS J04 Status 废止 Issue Date 2008-01-14 Implementation 2008-05-01 Responsible Dept 国家标准委 Drafting Unit N/A