File:Yoshitaro Watanabe, Professor of Mining and Metallurgy.jpg
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Yoshitaro_Watanabe,_Professor_of_Mining_and_Metallurgy.jpg (318 × 420 ピクセル、ファイルサイズ: 22キロバイト、MIME タイプ: image/jpeg)
カテゴリ:
- Black and white portrait photographs of male scientists
- Black and white portrait photographs of engineers
- Black and white portrait photographs of men of Japan
- Imperial University of Tokyo (1900)
- Metallurgists from Japan
- Faculty of Kyushu University
- Faculty of the University of Tokyo
- People of the Imperial Japanese Navy
- 1866 births
- 1923 deaths
- People of Aichi prefecture
- Japanese expatriates in Germany