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jiayu

現代人常見的毛病

1.常見胃疾病 2.需要保胃族群 3.瑞士專利去味富巴萃取物

Coldwell890

历史上的今天---“Type-Writer”

OTD 24 June 1868: Christopher Latham Sholes received a patent for an invention he called the “Type-Writer”. 📷: the improved 1873 model (ima...

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