ISO 2400:1972被替代
Welds in steel - Reference block for the calibration of equipment for ultrasonic examination
出版：International Organization for Standardization
專家解讀視頻
GB/T 19799.1-2005 - Identical
KS B ISO 2400:2002 - Identical
JIS Z 2300:2003 - Identical
JIS Z 2345:2000 - Identical
NBN EN 27963:1992 - Identical
NBN F 51 007:1980 - Identical
BS 2704:1978 - Similar
UNE 14611:1979 - Identical
