John Baptist, 1841-1879, he was an American politician and statesman, vintage line drawing or engraving illustration

Robert Koch, 1843-1910, he was a German physician and pioneering microbiologist, famous  for his discovery of the Anthrax Bacillus, vintage line drawing or engraving illustration

robert-koch-1843-1910-he-was-a-german-physician-and-pioneering-microbiologist-famous-for-his

圖片庫的Robert Koch, 1843-1910, he was a German physician and pioneering microbiologist, famous  for his discovery of the Anthrax Bacillus, vintage line drawing or engraving illustration 圖片 Image 133629501.

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Robert Koch, 1843-1910, He Was A German Physician And Pioneering Microbiologist, Famous  For His Discovery Of The Anthrax Bacillus, Vintage Line Drawing Or Engraving Illustration 免版稅剪貼畫，向量插圖和庫存圖片. Image 133629501.

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Robert Koch, 1843-1910, he was a German physician and pioneering microbiologist, famous for his discovery of the Anthrax Bacillus, vintage line drawing or engraving illustration

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