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Application filed by A H OsterholtfiledCriticalA H Osterholt
Priority to DK559372ApriorityCriticalpatent/DK138306B/da
Publication of DK138306BpublicationCriticalpatent/DK138306B/da
Application grantedgrantedCritical
Publication of DK138306CpublicationCriticalpatent/DK138306C/da