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ONORM EN 27963:1992
Welds in steel - Calibration block No. 2 for ultrasonic examination of welds (FOREIGN STANDARD)
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. Covers material, preparation and method of use.
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Austrian Standards Institute [on]