Home / Standards / GB/T 18851.3-2008 GB/T 18851.3-2008 Active Non-destructive testing - Penetrant testing - Part 3: Reference test blocks 无损检测 渗透检测 第3部分：参考试块 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2008-09-26 Implementation 2009-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委