生產隊科研小組

Research group in the production team


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Cite this image as: 山东省人民出版社供稿 ; 姜书璞, 杨文仁, "生產隊科研小組," in Hong Kong Baptist University Library Art Collections, accessed 28/05/2022, https://bcc.lib.hkbu.edu.hk/artcollection/k27-179/.