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Application filed by Patentsagforer Dr Oskar ArendtfiledCriticalPatentsagforer Dr Oskar Arendt
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Publication of DK47929CpublicationCriticalpatent/DK47929C/da
DK47929D1931-05-121932-05-11Fremgangsmaade og Apparat til Fremstilling af Papirshullegemer af opslæmmede Trævlestoffer efter Guskemetoden.
DK47929C
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