PDF(635 KB)
Change of new edition of GB/T 228.1-2021 and its comparison with American standard
LIU Manyu, HUO Shubin, YANG Zaixun, ZHANG Lei, HAO Zenglong, ZHU Houguo
Physics Examination and Testing ›› 2023, Vol. 41 ›› Issue (2) : 59-64.
PDF(635 KB)
PDF(635 KB)
Change of new edition of GB/T 228.1-2021 and its comparison with American standard
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