ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS Z 2344 : 1993
General rule of ultrasonic testing of metals by pulse echo technique
1993
13
JISf 2021 V.1, Std. JISn 2021
This Japanese Industrial Standard specifies the general items relating to detection and evaluation a discontinuity (hereafter called "flaw") by the ultrasonic testing using pulse echo technique with a scope presentation (hereafter called "ultrasonic testing").