ISSN：1001-7143　CN：11-2684/G3 中文
An interpretation of GB/T 9999—2018 standard and problems existing in its implementation
YAO Shufeng, WU Hui, LIU Yong
Chinese Journal of Scientific and Technical Periodicals . 2020, (8): 893 -897 .  DOI: 10.11946/cjstp.202002270134

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