Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from FI904137Aexternal-prioritypatent/FI89092C/en
Priority claimed from FI913483Aexternal-prioritypatent/FI89400C/en
Application filed by Gesertek OyfiledCriticalGesertek Oy
Priority to FI913940ApriorityCriticalpatent/FI913940A/en
Publication of FI913940A0publicationCriticalpatent/FI913940A0/en
Publication of FI913940ApublicationCriticalpatent/FI913940A/en