JB/T 10063-1999 Specification for No.1 standard test block used in ultrasonic flaw detection was changed to JB/T 8428-2006 Non-destructive testing Blocks for ultrasonic testing.
JB/T 10063-1999 Specification for No.1 standard test block used in ultrasonic flaw detection was changed to GB/T 19799.1-2005 Non-destructive testing-Ultrasonic testing-Calibration block No.1.
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