Talk:Hans von Pechmann
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Diazomethane articles are 1894CB1888, 1895CB855, 1898CB2643 .--Stone 17:57, 7 August 2007 (UTC)
Categories: Biography articles with listas parameter | Science and academia work group articles | Stub-Class biography (science and academia) articles | Unknown-priority biography (science and academia) articles | Stub-Class biography articles | Unassessed chemistry articles | Unknown-importance chemistry articles