Home / Standards / GB/T 5097 GB/T 5097 Active Non-destructive testing—Penetrant testing and magnetic particle testing—Viewing conditions 无损检测 渗透检测和磁粉检测 观察条件 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2020-07-21 Implementation 2021-02-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委