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Modded geiger counter finally done (enough)! Three selectable tubes; J321 and SBM-20U, and an SBT-9. : r/Radiation
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Sbm-19 lotto 1pc contatore geiger Tubo per dosimetro radiometro Nuovo analogico SBM-20 STS-6 - Etsy Italia
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Plexishop.it - Geiger tube SBM20 for nuclear radiation detection - Nuclear Radiation Meter - Nuclear Radiation Detector
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NUOVO SBM-20 SBM20 сбм-20 analogico J304 J305 J321 M4011 STS-5 SI22G Geiger Muller Tubo Contatore Dosimetro Radiometro Rilevatore di Radiazioni Testato - Etsy Italia
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