GBT 39239-2020

Non-destructive testing — Ultrasonic testing — Characterization and sizing of discontinuities

无损检测 超声检测 不连续的特征和定量

Standard Type
GBT
ICS
N/A
CCS
N/A
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
N/A
Drafting Unit
N/A