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Keywords from Image Description:
RuK.svg Ring und Kugel Schema zur Messung der BitumenViskositt ring and ball method own original caption selbst erstellt br last version Mailtosap Mailtosap at org de thumb left new version Mailtosap Original upload log de Akkakk page de RuK svg Version is available at File RuK neu svg Taocp bytes Komplett neu