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Application filed by Hellmut Dipl Ing SeyfertfiledCriticalHellmut Dipl Ing Seyfert
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Publication of AT194239BpublicationCriticalpatent/AT194239B/en
AT194239D1954-03-161954-03-16
Process for the extraction of hydrocarbons from the organic substances of waste liquors in the pulp industry
AT194239B
(en)