2 Tuloksia löytyi "Tiedosto:International_Year_of_the_Periodic_Table_of_Chemical_Elements_(ann18013a).tif".

Tiedosto:International Year of the Periodic Table of Chemical Elements (ann18013a).tif

English International Year of the Periodic Table of Chemical Elements determination method or standard: SHA-1 described at URL: https://www.iau...

Tiedosto:International Year of the Periodic Table of Chemical Elements (ann18013a).jpg

English International Year of the Periodic Table of Chemical Elements determination method or standard: SHA-1 described at URL: https://www.iau...

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