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Vorrichtung zum Einspeisen von in Flockenform befindlichem Fasergut z. B. Baumwolle, synthetischem Fasergut u. dgl. für eine Spinnereivorbereitungsmaschine z. B. Karde, Reiniger u. dgl.
A study of beryllium exposure measurements, part 1: estimation and categorization of average exposures from daily weighted average data in the beryllium industry