Home / Standards / GB/T 19801 GB/T 19801 Active Non-destructive testing-Acoustic emission inspection-Secondary calibration of acoustic emission sensors 无损检测 声发射检测 声发射传感器的二级校准 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2005-06-08 Implementation 2005-12-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委