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Priority claimed from FI980192Uexternal-prioritypatent/FI3885U1/en
Application filed by Pertti Ilmari PitkaenenfiledCriticalPertti Ilmari Pitkaenen
Priority to FI990174UpriorityCriticalpatent/FI4097U1/en
Publication of FIU990174U0publicationCriticalpatent/FIU990174U0/en
Application grantedgrantedCritical
Publication of FI4097U1publicationCriticalpatent/FI4097U1/en