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皓齒: 白玉牙膏, White Teeth: Gem Tooth Paste
中國化學工業社 Zhongguo hua xue gong ye she (mentioned in article),
© Courtesy of the C. V. Starr East Asian Library, Columbia University.
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皓齒: 白玉牙膏, White Teeth: Gem Tooth Paste
中國化學工業社 Zhongguo hua xue gong ye she (mentioned in article),