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1 Results for "《〈 문의 OIO↗5793↗7458 》〉강남초원의집┙강남초원의집condemned강남식스강남유흥강남더킹pure 강남더킹мゼ강남룸bag"
$15 Geiger-Muller Counter for Beta/Gamma/XRay
Project
by
GH
An inexpensive Geiger counter that can detect several kinds of ionizing radiation using a surplus Soviet tube and a one-use camera circuit
90
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