Focusing ultrasonic probe for inspection welding of moderate thickness: Ermolov, I.N., Krakovyak, M.F., Vyatskov, I.A., Rakhmanov, V.V., Defectoscopy (English Translation), No 3 (May–June 1967) pp 254–256 (1294)

• 卷第7卷
• 期第3期
• 印刷ISSN0041-624X
• 文件大小183.37KB
• 发表时间1969
• DOI10.1016/0041-624x(69)90725-2