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1 Results for "↘ 최저가 Ò1Ò〈⑻⑷89〉83Ò⑥ ↗강남퍼블릭┟┥robert강남퍼블릭ⓐ퍼블릭룸강남퍼블릭┖ぢ퍼블릭술집marquis 강남퍼블릭ぷ셔츠룸퍼블릭Fⓤstrict"
$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
9