PDF(1059 KB)
Developmemt of ASNT SNT-TC-1A personnel certification in China
JI Jingyuan, WANG Yingyun
Nondestructive Testing ›› 2022, Vol. 44 ›› Issue (2) : 78-81.
PDF(1059 KB)
PDF(1059 KB)
Developmemt of ASNT SNT-TC-1A personnel certification in China
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