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.240_Apex

Plutonium-240 240 SM 240 Convair CV-240 family 240-an Resolusi 240 Dewan Keamanan Perserikatan Bangsa-Bangsa Kecelakaan pesawat CV-240 di Mississippi 1977 Abad ke-3 SM Isotop uranium Isotop einsteinium Isotop neptunium Isotop kurium Isotop amerisium Isotop protaktinium