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Application filed by Stroemberg Oy AbfiledCriticalStroemberg Oy Ab
Priority to FI434/74ApriorityCriticalpatent/FI54024C/fi
Priority to SE7403245Aprioritypatent/SE385402B/xx
Publication of FI43474A7publicationCriticalpatent/FI43474A7/fi
Application grantedgrantedCritical
Publication of FI54024BpublicationCriticalpatent/FI54024B/fi
Publication of FI54024CpublicationCriticalpatent/FI54024C/fi