I.S. EN 27963:1993被替代
Welds In Steel - Calibration Block No. 2 For Ultrasonic Examination Of Welds
出版：National Standards Authority of Ireland
专家解读视频
Lays down the dimensions, type of steel and directives for the use of block No. 2 for the calibration of ultrasonic equipment for the examination of welds in steel.
UNE EN 27963:1993 - Identical
ISO 7963:2006 - Identical
UNI EN 27963:1994 - Identical
NF EN 27963:1992 - Identical
NBN EN 27963:1992 - Identical
BS EN 27963:1992 - Identical
DIN EN 27963 (1992-06) - Identical
EN 27963:1992 - Identical
SS EN 27963 Ed. 1 (1992) - Identical
ONORM EN 27963:1992 - Identical
SN EN 27963:1996 - Identical
