Category:Alloys of tungsten by diffusion (1920)

Media in category "Alloys of tungsten by diffusion (1920)"

The following 2 files are in this category, out of 2 total.

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  Alloys of tungsten by diffusion (1920) (14597324588).jpg 3,648 × 2,560; 924 KB
  
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  Alloys of tungsten by diffusion (1920) (14781615334).jpg 3,712 × 2,640; 1.29 MB