DIN EN ISO 22232-1:2018 無(wú)損檢測(cè) 超聲波檢測(cè)設(shè)備的表征和驗(yàn)證 第1部分:儀器(ISO/DIS 22232-1:2018)
Non-destructive testing - Characterization and verification of ultrasonic examination equipment - Part 1: Instruments (ISO/DIS 22232-1:2018); German and English version prEN ISO 22232-1:2018