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Application filed by Karin Mayvor GadeliusfiledCriticalKarin Mayvor Gadelius
Priority to DK83750ApriorityCriticalpatent/DK77935C/da
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Publication of DK77935CpublicationCriticalpatent/DK77935C/da
Sätt att genom lågtemperaturhydrering framställa värdefulla kolväteprodukter av flytande, halvfasta eller smältbara, destillerbara kolhaltiga material, som innehålla asfaltämnen