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1 Results for "∇ 최저가 Ò1Ò《⑤⑦93》74⑸⑻ ∇뉴테란셔츠룸Ζ삼성동뉴테란scorn뉴테란셔츠룸강남뉴테란선릉뉴테란always 삼성동뉴테란ㆂㅣ뉴테란셔츠룸swiftly"
$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