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Application filed by Portasilo LtdfiledCriticalPortasilo Ltd
Application grantedgrantedCritical
Publication of DK84967CpublicationCriticalpatent/DK84967C/da
DK174854A1953-06-011954-05-28Afstivningsring opbygget af flade elementer af bueformet udskåret, ubøjet træ og fremgangsmåde til dens fremstilling.
DK84967C
(da)