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.)
Filing date
Publication date
Application filed by Jouko Juhani LahtinenfiledCriticalJouko Juhani Lahtinen
Priority to FI930077UpriorityCriticalpatent/FI689U1/en
Publication of FIU930077U0publicationCriticalpatent/FIU930077U0/en
Application grantedgrantedCritical
Publication of FI689U1publicationCriticalpatent/FI689U1/en