Image Colnect-2024-508-Chemical-chain-reactions-theory-NSemionov-1934.jpg
(513 x 369 pixels) |
Type: stamp Issuer: Russia Date: 2000 Denom: ?
Visibility: public Image owner: none postage 6/20/2000 1.75r multi dt=Russia 20th Century Science d=N.N. Semenov unwmk perf=12.25x12 Crops No visible images cropped from this one. Measurements Resolution is unknown. Source Source name: Colnect File URL: http://i.colnect.net/b/2024/508/Chemical-chain-reactions-theory-NSemionov-1934.jpg Uploaded August 12, 2015, 4:23 pm by Stan Shebs |
