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The simplest, small, low power consumption Geiger-Muller radioactivity detector for searching.
Adobe Portable Document Format - 231.67 kB - 02/08/2023 at 20:12
Adobe Portable Document Format - 1.03 MB - 02/08/2023 at 20:10
application/pdf - 68.44 kB - 02/08/2023 at 20:07