File:GDD HF.svg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:26, 7 May 2009 | 1,497 × 3,470 (4.2 MB) | Esem0 | new version has a smaller file size | |
12:05, 7 May 2009 | 2,903 × 6,883 (13.52 MB) | Esem0 | {{Information |Description={{en|1=Variation of contrast by use of the gaseous detection device. Composite specimen, room temperature, electrode bias 250 V, beam 10 kV}} |Source=Own work by uploader |Author=Gerry Danilatos |Date=1990 |Permission= |other_v |
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