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Priority claimed from SE7806041Aexternal-prioritypatent/SE414387B/en
Priority claimed from SE7806043Aexternal-prioritypatent/SE414389B/en
Priority claimed from SE7806042Aexternal-prioritypatent/SE414388B/en
Priority claimed from FI791682Aexternal-prioritypatent/FI68582C/en
Application filed by Bruces Mek Verkstads AbfiledCriticalBruces Mek Verkstads Ab
Publication of FI820777LpublicationCriticalpatent/FI820777L/en