BS 4331 : Pt. 2 : 1972 : Methods for assessing the performance characteristics of ultrasonic flaw detection equipment : part 2. Electrical performance
- London British Standards Institution 1972
- 18p.
STD1328
BS 4331 : Pt. 2 : 1972
STD1328
BS 4331 : Pt. 2 : 1972