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Another Old Logo of Tsinghua for wearing before . en Another Old Logo of Tsinghua for wearing before zh google hk id PmiOHknGAkC printsec frontcover dq AD BF source bl ots LmrfcP sig FsbbhsWjOJmAHrvQkawcZoRo hl zhCN ei rNKTNbLNKvgOQvtHjDw sa oi bookresult ct result resnum ved CBcQAEwAA onepage false Tsinghua University Tsinghua